Mars, the fourth planet from the Sun, is a subject of fascination for astronomers. Though significantly smaller than Earth, ...

It's possible that Mars' moons were originally asteroids that were captured by the planet's gravitational pull. There's also ...

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 ...

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

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 ...

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

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 ...

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 ...

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

A recent study indicates a small chance that Earth could be ejected from our solar system due to passing stars. Simulations ...

The largest Martian meteorite ever found on Earth is being auctioned off later this month and could fetch up to $4 million.. One of only 400 of its kind ever found, the hunk of red-hued space rock ...

Mars is the fourth planet from the sun, following Mercury, Venus and Earth. Scientists had simulated the event in advance and prepared instruments on the rover to be ready to observe the expected ...