As scientists wait for the asteroid to reappear, its revised trajectory is now drawing attention to another possible target: ...

YR4 was detected by the Asteroid Terrestrial-impact Last Alert System, or ATLAS telescope, in Río Hurtado, Chile, two days ...

Sandia National Laboratories scientist John Sandusky believes these mirrors, which normally work during the day to generate ...

An asteroid the "size of an aeroplane" is expected to pass by Earth in the coming days. The space rock named 2025 OW will ...

Earth witnessed its most catastrophic extinction—a story written in asteroids, ash, and evolution. Now, SpaceBalls brings ...

Without too much interference from moonlight, the meteors should appear bright and clear in regions away from city lights.

You know what it’s like in this economy, sometimes the day job doesn’t pay the rent, so you need to start working nights too.

Aliens are visiting our solar system. Not little green men, sadly, but natural alien objects—cosmic bodies such as comets and ...

Astronomers think small space rocks from beyond our solar system routinely strike Earth—but proving it isn’t easy ...

Heliostats that harness sunlight by day could help detect asteroids by night, offering the U.S. a scalable planetary defense ...

"In my opinion, planetary defense is an operational mission which should be formally tasked to U.S. Space Command." ...