
Will humanity be able to protect Earth from a deadly asteroid?
Our solar system is a celestial shooting gallery, chock-full of flying projectiles that one day could threaten Earth—so what can we do about it?

Will humanity be able to protect Earth from a deadly asteroid?
Our solar system is a celestial shooting gallery, chock-full of flying projectiles that one day could threaten Earth—so what can we do about it?

Launch Success for Telescope that Measures Submillimeter Light from Stellar Nurseries
The balloon-borne telescope is set to probe why the Milky Way doesn't form as many stars as it might

Dark Riddles
Behavior of galaxy cluster may shift thinking about gravity

Rare Flare
Odd magnetar burst partly solves gamma-ray riddle

String Revival
Are cosmic strings behind unusual lensing effects?

Sloshing in Space
Analyzing how liquids affect the motion of ships