Researchers are keeping an eye on the building-sized asteroid 2024 YR4, which has a 4 percent chance of hitting the moon seven years from now.

The asteroid struck with more force than a billion nuclear bombs. Fires ignited across continents. Tsunamis tore across ...

The Ursids peak Sunday night into Monday morning and will be visible until Dec. 26 from the Northern Hemisphere. Skygazers ...

The Geminids tend to be the strongest meteor shower of the year. It is also the one major shower that provides good activity ...

According to NASA, an asteroid is labelled "potentially hazardous" based on a combination of factors: its size and how close ...

Every December, Earth plows through a dusty lane of debris in space, and the night becomes illuminated by streaks of meteors.

A rock no bigger than a golf ball could have caused the recent lunar impact, according to the observatory. At an ultra-high speed, estimated at roughly 78,000 mph, the meteorite could have left a ...

3I/ATLAS has now made its closest approach to the sun and Earth and is now heading back out toward the outer solar system. On ...

Although the Ursids are active from Dec. 13 through Dec. 26, the peak night coincides with the winter solstice, which occurs at 10:03 a.m. EST on Dec. 21. Though the two events are totally unrelated, ...

Comet 3I/ATLAS is a rare visitor passing briefly through our solar system. Here’s how to find it in the night sky—and what ...

I/ATLAS has passed its closest point to Earth, meaning we will soon lose sight of it for good. Some scientists want to send a spacecraft to chase down the alien comet — or the next interstellar object ...

Today is one astronomers, stargazers and alien conspiracy theorists have been waiting for: interstellar comet 3I/ATLAS is as ...