An asteroid skimming just 200 miles above the planet sounds like science fiction, yet recent flybys have come uncomfortably close to that mark. Several small space rocks have threaded the gap between ...

Picture trillionaires emerging not from tech startups or oil empires, but from space rocks floating millions of miles away. That's not science fiction anymore. Companies and space agencies are ...

How can missions to the moon lead to further missions to the red planet, Mars?

The asteroid, around 100 feet in diameter, is speeding toward our planet at about 22,000 miles per hour, according to NASA.

If the building-size asteroid 2024 YR4 crashes into the moon in December 2032, the impact will produce a bright flash that may be visible to the naked eye, a new study finds.

The space rock has a 4.3% chance of striking the Moon in six years—and it could generate a flash nearly as bright as Venus.