NASA has just premiered Planetary Defenders, offering a fascinating look at the high-stakes work geared toward protecting Earth from any large asteroids discovered coming our way.

An Oxford study suggests Earth’s water may be native, challenging the idea that asteroids brought water to Earth after the ...

A new study by Oxford University suggests Earth’s water was present from the start, with hydrogen incorporated during the planet's formation, challenging the asteroid theory.

If future Mars colonizers want to survive without pressure suits, they’ll need to generate a denser atmosphere. One way to ...

Look up and be dumbstruck with wonder: the Lyrid meteor shower will grace the skies this month. Records of this celestial ...

Scientists have discovered where Earth's water comes from, and say that it wasn't brought to the planet by asteroid impacts ...

The chemical composition of a meteorite that was built much like early Earth shows evidence of ample hydrogen necessary to ...

A group of comets with unexplained movements presents a quandary D avide Farnocchia hunts down and tracks asteroids, and several years ago he saw something he couldn’t explain. Farnocchia works at ...

H ere's a sentence which, while technically correct, will make you sound like the most hardened of conspiracy theorists: no ...

NASA and other global space scientists keep a close eye on asteroids known as near-Earth objects (NEOs). These are comets or ...

Only 30%-50% of the remaining objects survive the atmospheric passage and become meteorites. The debris pieces whose orbits bring them closer to the Sun tend to be significantly more durable, making ...

Meet the researchers testing the “Armageddon” approach to asteroid defense One day, in the near or far future, an asteroid about the length of a football stadium will find itself on a collision course ...