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Science
NASA kick-starts a fresh push to bring Mars samples home
NASA has launched a new initiative to re-evaluate how it will retrieve the rock and soil samples collected by the Perseverance rover on Mars.
Planetary Science
49 trends tracked about this subject — the full history, oldest to newest below.
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Uranus has a weird magnetic field that's stumped scientists for 40 years
New computer modeling suggests Uranus and Neptune's bizarre magnetic fields stem from increasing electrical conductivity deep inside the ice giants.
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The Solar System May Have a 6th Dwarf Planet
Astronomers have identified a new dwarf planet candidate beyond Pluto, potentially making it the sixth recognized dwarf planet in our solar system.
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The Components For Life May Not Have Arrived By Comet
New scientific research casts significant doubt on the long-standing theory that comets delivered life's ingredients to Earth.
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The Outer Solar System's First Building Blocks Were Mostly Fire, Not Ice
New research reveals the outer Solar System's earliest building blocks were predominantly heat-formed fire beads rather than ice.
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NASA rover takes striking image of dawn's early light on Mars
17 news sources are covering this Science story right now — PULSE is tracking how fast it spreads.
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Earth and Mars may be neighboring rocky worlds but they were built in different ways
Recent scientific studies reveal that Earth and Mars formed through distinct developmental paths despite their planetary proximity.
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Scientists Thought Mars’s North Polar Ice Was 25% Dust. They Were Way Off
New findings reveal that the water ice at the north pole of Mars is significantly cleaner than previous scientific estimates suggested.
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Nasa heads to Scottish Highlands in its search for life on Mars
4 news sources are covering this Science story right now — PULSE is tracking how fast it spreads.
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Earth and Mars: Built from different cosmic recipes
New chemical evidence published in Nature Astronomy suggests Earth and Mars formed via different processes despite sharing the same cosmic origin.
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Strange 'coral reef' deposits reveal Mars' climate history photo of the day for Sept. 28, 2026
Recent coverage examines a new Mars photo revealing unexpected purple and pink geological features and coral reef deposits.
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Astrophysics study suggests Venus may have swallowed its moon
14 news sources are covering this Science story right now — PULSE is tracking how fast it spreads.
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Smallest Planet Continues to Shrink
Recent reporting examines ongoing planetary contraction on the smallest planet in the solar system.
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Hidden clues show Mercury shrank more than previously thought
5 news sources are covering this Science story right now — PULSE is tracking how fast it spreads.
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Scientists discover a strange new form of ice that could help explain the interiors of Neptune and Uranus
4 news sources are covering this Science story right now — PULSE is tracking how fast it spreads.
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The Closest Planet to Our Sun Is Shrinking. Here’s What that Means
6 news sources are covering this Science story right now — PULSE is tracking how fast it spreads.
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Mercury may be shrinking faster than scientists expected
New scientific findings suggest the planet Mercury is shrinking at a rate that drastically exceeds previous astronomical estimates.
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Venus May Have Had a Moon for Nearly 2 Billion Years—Before It Ate It
New scientific research suggests Venus may have possessed a moon for nearly two billion years before the planet eventually destroyed it.
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What the Heck? Another Perfect Geometric Shape Has Been Detected on Saturn
Astronomers have identified a new, perfectly geometric decagon shape manifesting within the atmosphere of Saturn.
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How long did it take to make the moon? Maybe just 5 hours, new simulations suggest
New simulations suggest the Moon may have formed almost intact in just five hours following a giant cosmic impact with Earth.
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NASA Found Strange Holes on Mars. Scientists Aren't Sure What Made Them.
NASA's Curiosity rover has discovered mysterious small pits on Mount Sharp, baffling scientists.
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Did Venus eat its own moon?
Recent reporting examines scientific speculation regarding whether the planet Venus may have consumed its own long-lasting moon.
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Earth's moon could have formed in just 5 hours after giant impact
New simulations suggest the Moon may have formed in only five hours following a massive collision between the proto-Earth and a planet named Theia.
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Saturn’s South Pole Is Apparently Decagon-Shaped
New findings suggest the atmospheric structure at Saturn's south pole takes the form of a decagon.
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Mercury Isn’t What Scientists Thought: New Study Reveals a Surprisingly Different Surface
Recent scientific studies reveal that Mercury's surface and crust are radically different than previously assumed.
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For nearly 50 years, Venus’s clouds have been understood as droplets of concentrated sulfuric acid—but a 2025 reinterpretation of data inadvertently collected by NASA’s Pioneer Venus Large Probe in 1978 suggests their aerosols may instead be about 60 p
New analysis of 1978 NASA probe data challenges the long-held belief that Venusian clouds consist solely of concentrated sulfuric acid.
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After 8 years, Europe’s BepiColombo mission is on final approach to Mercury
The BepiColombo mission has entered its final approach to Mercury after an eight-year journey to provide a fresh look at the planet.
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Why doesn't Venus have a moon? A new study may have the answer
A new scientific study suggests Venus may have once possessed a moon that was eventually destroyed by tidal forces over nearly two billion years.
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Scientists Discover Vast Underground 'Anomaly' on Mars
11 news sources are covering this Science story right now — PULSE is tracking how fast it spreads.
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Mars Curiosity rover discovers massive field of polygons
4 news sources are covering this Science story right now — PULSE is tracking how fast it spreads.
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20 years after Pluto was made a dwarf planet, some still can’t let go
Two decades after Pluto's reclassification as a dwarf planet, scientists and the public are revisiting the debate over what constitutes a planet.
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Astronomers discover a giant, rocky 'mega-Earth' 23 times more massive than our planet
10 news sources are covering this Science story right now — PULSE is tracking how fast it spreads.
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Mars Curiosity Rover Discovers Massive Field of Polygons
The Mars Curiosity rover discovers a massive field of polygons, revealing new geological features on the surface of Mars.
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Mars could have carried liquid water more recently than we thought
7 news sources are covering this Science story right now — PULSE is tracking how fast it spreads.
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Rare Mars meteorite preserves 1.27-billion-year-old clues to planet's deep interior
4 news sources are covering this Science story right now — PULSE is tracking how fast it spreads.
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Fifty kilometres above Venus, pressure and temperature become surprisingly Earth-like and ordinary breathable air could keep a habitat afloat, but living there would mean building a sealed world inside sulphuric-acid clouds
Coverage highlights extreme conditions on Venus contrasted with Earth-like zones fifty kilometres above the surface.
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Neptune’s moons were born from cosmic disasters—scientists stunned by new evidence
1 news sources are covering this Science story right now — PULSE is tracking how fast it spreads.
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Mars was once covered in rivers and lakes, and the mystery of where all that water went now has two answers: some was stripped away into space, and a great deal of it may still be there, locked deep in the planet's crust
Recent findings reveal Martian water was both lost to space and locked deep within the planet's crust.
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Hell-World Venus May Have Once Had Oceans Across 90% of Its Hot, Dry Surface
Recent scientific coverage indicates Venus may have once featured extensive oceans and ongoing rift activity.
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Saturn's moon Titan has an atmosphere thicker than Earth's and seas you could sail on, and it is the one place beyond Earth where a person could stand outside without a pressure suit, though its surface sits at about minus 179 degrees Celsius
Titan stands out as the only location beyond Earth where humans could survive outdoors without a pressure suit, despite extreme cold.
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NASA’s Curiosity Rover Finds a Vast Sea of Strange Honeycomb Patterns on Mars
NASA's Curiosity rover has discovered an expansive field of mysterious honeycomb-like polygons on the Martian surface.
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Giant Concentric Rings Discovered in The Atmosphere of Venus
Astronomers have uncovered mysterious giant concentric rings in the atmosphere of Venus using archived observations.
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Researchers identify class of 'oddball' meteorite that killed the dinosaurs
Scientists have identified a rare class of 'oddball' meteorite responsible for the extinction of the dinosaurs approximately 66 million years ago.
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Weird Mountains on Pluto’s Largest Moon Charon Reveals a Surprising Past
New evidence of ancient tectonic scars on Pluto's moon Charon suggests a historical process of 'despinning' over billions of years.
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China's Spacecraft Snaps First-Ever Close-Up Image Of Earth's Rare 'Minimoon'
China's Tianwen-2 mission has successfully rendezvoused with Earth's quasi-moon Kamoʻoalewa and returned the first close-up images.
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Science news this week: James Webb telescope finds a never-before-seen substance, China's 'Great Green Wall' grows faster than natural trees, and a Medici murder mystery is solved
6 news sources are covering this Science story right now — PULSE is tracking how fast it spreads.
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Scientists find evidence of vast hidden magma systems inside Mars
New seismic data reveal vast hidden magma systems deep within Mars, reshaping our view of the planet’s interior
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Uranus, Neptune May Be Magma Worlds, Not Ice Giants
7 news sources are covering this Science story right now — PULSE is tracking how fast it spreads.
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A Lost World Almost as Big as Mars May Have Once Orbited Our Sun
A 4.5-billion-year-old meteorite in the Sahara hints at a vanished Mars-sized world in our solar system’s early days