A Mysterious 'Fireball' Was Spotted In Chile and Nobody Knows What It Was
A meteor? Space junk? Nobody knows, but officials investigated whether the mysterious object, or objects, started several fires.
What Baby Stars and Meteorites Can Tell Us About Our Solar System’s Past
Rachel Smith studies the birth of stars to better understand the origins of life on Earth, and perhaps elsewhere in the universe.
The White House Plan to Defend Against Killer Asteroids Is Here
In one of its final acts, the Obama Administration released a report outlining how federal agencies should prepare for an 'Armageddon'-sized impact.