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…
1 month 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…
12 months 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…
4 years ago