A gem of a meteorite found in Antarctica is studded with pieces of opal, a crystal that is associated with water.
It seems the moon is not Earth's only cosmic companion.
NASA has awarded funding to California-based company Made in Space to develop technology that may see asteroids become self-propelled spacecraft
Seeking to lead the way in Europe to promote commercial ventures in space, Luxembourg is making a small but symbolic bet on the idea of mining asteroids.
Streaking at a speed of about 40,200 miles per hour, an asteroid zipped across the Arizona sky on Thursday morning, lighting up the night with a fireball, triggering sonic booms, a...
In this eerie, short video shot by a dashboard camera in a Portland, Maine police cruiser, a huge fireball drops from the sky, giving officers on duty more than they bargained for ...
If something slams into Jupiter and two strangers a thousand miles away from each other film it, does it count?
When scientists started tracking Comet 252P/LINEAR, they figured it would pass Earth without a trace.
Two comets that scientists have dubbed twins for their similar orbits are set to safely fly past Earth this week, though they will be the closest any come for the next 150 years.
A close shave with a comet in October 2014 did a number on Mars' magnetic field, a new study reveals.