▲ Peaking
Science
Bennu asteroid analysis suggests unexpected origins for organics in space
Analysis of asteroid Bennu samples challenges theories on the origins of life's ingredients in space.
Comets
18 trends tracked about this subject — the full history, oldest to newest below.
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Science
Japan's Hayabusa Is Racing Toward a Mysterious Object in Space
Astronomers discover that a dark comet's strange acceleration has nothing to do with ice, deepening a major space mystery.
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Science
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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Science
The Taurid Meteor Shower Peaks This Week—Here’s the Best Time to See It
Skywatchers prepare to spot brilliant fireballs as the Taurid meteor shower reaches its November peak.
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Science
Heavy hydrogen in 3I/ATLAS's methane points to a frigid birthplace
JWST observations of interstellar comet 3I/ATLAS reveal dusty ice grains and heavy hydrogen in methane, pointing to a frigid birthplace.
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Science
New study casts doubt on theory about the role comets played in kick-starting life on Earth
A newly published scientific study challenges the long-standing theory that comets played a major role in kick-starting life on Earth.
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Science
Scientists say decades-old theory on the origin of life might be wrong
Recent scientific studies challenge the long-standing theory that comets delivered the essential building blocks of life to Earth.
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Science
Did comets really deliver the building blocks of life on Earth? A new study challenges assumptions
A new scientific study challenges long-held assumptions regarding whether comets delivered the building blocks of life to Earth.
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Science
Scientists Ran 100,000 Simulations of Comets Striking Earth. The Results Are a Surprise.
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Science
Comets probably didn't seed life on Earth after all, new study suggests
A new study from Cambridge suggests that while comets carry the building blocks of life, they likely did not deliver them to Earth.
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Science
Webb links interstellar comet 3I/ATLAS to worlds beyond Neptune through similar ice signatures
Observations from the James Webb Space Telescope link interstellar comet 3I/ATLAS to frozen worlds beyond Neptune.
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Science
The sun may have stripped away meters of interstellar comet 3I/ATLAS
4 news sources are covering this Science story right now — PULSE is tracking how fast it spreads.
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Science
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Interstellar visitor 3I/ATLAS carries clues from the frozen outskirts of another star system
Interstellar comet 3I/ATLAS provides rare chemical data from the frozen outskirts of an alien star system, according to recent astronomical studies.
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Science
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Scientists Believed This Near-Earth Object Was an Asteroid for 28 Years. They Were Wrong
A near-Earth object misidentified as an asteroid for 28 years has been revealed as a "dark comet" after passing within 2 million miles of Earth.
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Science
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Asteroid with unexplained orbital shift turns out to be a 'dark comet'
An object tracked as an asteroid since 1998 has been reclassified as a dark comet following an unexplained orbital shift.
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Science
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High nitrogen and carbon isotopic ratios in the interstellar comet 3I/ATLAS
5 news sources are covering this Science story right now — PULSE is tracking how fast it spreads.
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Science
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Interstellar comet likely far older than Solar System: astronomers
Astronomers report that the interstellar comet 3I/ATLAS may predate the Solar System, exhibiting unique chemical properties during its recent transit.
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Science
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Alan Hale, Sky Watcher Who Created a Comet Sensation, Dies at 68
Astronomer Alan Hale, co-discoverer of the notable Comet Hale-Bopp, has died at age 68.