NASA is monitoring three aircraft-sized asteroids that will zoom past the Earth later today at around 19,000 to 22,200 miles per hour.

NASA’s upcoming EZIE mission will use three small satellites to study electrojets — powerful electrical currents in the upper atmosphere linked to auroras. These mysterious currents influence ...

Lucy is preparing for a close encounter with the asteroid Donaldjohanson, a key milestone before its groundbreaking journey ...

Buried "megaripples" — some the size of five-story buildings — are helping scientists piece together the devastation ...

YR4 became the highest-rated asteroid predicted to strike Earth, and although predictions for impact have lowered, not enough ...