One summer night in 1877, American astronomer Asaph Hall was looking through his telescope in Washington, D.C. Mars was at ...

Collision between young Earth and Mars-sized planet might be why we’re all here today. By Mike Wehner. Published Jan 23rd, 2019 7:06PM EST. If you buy through a BGR link, we may earn an ...

Most scientists agree that a major collision 4.5 billion years ago with a protoplanet named Theia formed the Earth-Moon system. Now, a new study from the University of Nevada argues that, out of ...

The Earth and Moon system we see today was formed when Theia, an ancient planet about the size of Mars, collided with Earth about 4.5 billions years ago. This is how old Earth was 100 million ...

If rocks could talk, this one (NWA 16788) would have a great tale to tell. It was ejected from its own planet by a massive ...

There's a new interstellar object moving through our solar system and it's called 3I/ATLAS, according to NASA.

Astronomers have announced the discovery of a monumental interstellar object, designated 3I/Atlas, believed to be the largest ...

The asteroid colliding with the Moon could release energy in upwards of 340 Hiroshima bombs with the spectacle very likely to be "visible from Earth".

Stars passing close to the sun could cause planets to collide, including with Earth, or even be ejected as rogue planets, new ...

A swarm of large asteroids likely lurking around Venus could one day pose an "invisible threat" to Earth if left unchecked, astronomers have warned.