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

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

Asteroid 2024 YR4, which once appeared to be on a collision course with Earth, may hit the moon, which could create some ...

A massive asteroid, named 2025 OW, resembling a 25-storey building, is approaching Earth next week. It measures about 220 ...

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

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

The night sky never stays still. And sometimes, it brings a quiet reminder that we share this vast space with wandering rocks ...

NASA is monitoring a giant space rock that is set to zoom past Earth next week – and it's bigger than the Leaning Tower of ...

It's almost time to catch summer's double meteor showers. The Southern Delta Aquariid and Alpha Capricornid meteor showers ...

Complex organic molecules found floating around a distant protostar could mean that space is far richer in life's precursors ...

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.