active asteroids
Citizen Scientists Find Fifteen “Active Asteroids”
Nature often defies our simple explanations. Take comets and asteroids, for example. Comets are icy and have tails; asteroids are…
9 months ago
JWST Finds a Comet Still Holding Onto Water in the Main Asteroid Belt
Comets are instantly recognizable by their tails of gas and dust. Most comets originate in the far, frozen reaches of…
2 years ago
Why Are Particles Getting Ejected Off of Asteroid Bennu?
NASA's OSIRIS-REx spacecraft arrived at asteroid Bennu in December 2018, and just one week later, it discovered something unusual about…
5 years ago