Latest about comets
Bizarre Space Object 'Oumuamua Could Be a Monstrous Corpse of Comet Dust
'Oumuamua is long gone, but it's still leaving scientists guessing. A new explanation proposes that the strange object was a "monstrous fluffy dust aggregate" produced by a busted-up comet.
Water Deep in Earth's Core May Come from Dust Swirling Around the Sun
The source of some of Earth's first water may be gas left over from the sun's birth.
Scientists Find Source of Bizarre Space Object 'Oumuamua
Ever since astronomers first spotted their first-ever object from beyond our solar system, it has offered more questions than answers — what is it? Where did it come from? Why is it so darn weird?
Fireball Streaks Over Australia, and the Videos and Photos Will Amaze You
Skywatchers across Western Australia caught sight of an incredible fireball on Tuesday night (Aug. 28), and many were lucky enough to capture the spectacle on film.
NASA's Planet-Hunter Caught Stunning Video of a Distant Comet
The video, captured during the testing phase of NASA's new satellite for finding exoplanets, shows a bright white comet drifting past black, jiggling stars.
