NASA engineers working to extend the Voyager missions cannot physically touch the spacecraft, cannot send a replacement part, and must wait nearly 24 hours for every command to arrive — and another 24 hours for the reply

A likely supermassive neutron star might shed light on the mass gap between neutron stars and black holes

Object said to be 'long-lost spacecraft' mysteriously accelerating as it heads toward Earth

Not afraid of ghosts: Curiosity and fearlessness apparent in German shepherd genes

New genetic research reveals that German Shepherds possess distinct traits of curiosity and fearlessness linked to breeding.

Fingerprint vanished 2.5 billion years ago marks turning point in Earth’s geological history

Accidental discovery enables room-temperature recrystallization of molybdenum

This supernova impostor baffled astronomers for 15 years — until they found a hidden black hole feeding on an unstable star

A giant star faked 27 supernovas over 15 years before NASA's Chandra X-Ray Observatory uncovered a hidden black hole or neutron star feeding on it.