The same geomagnetic storm that makes aurora sightings likely can disrupt power systems, navigation signals, and satellites.

An asteroid is headed straight toward Earth. Initially, scientists thought it would miss us, but they've made some serious ...

It wasn’t science fiction — it was humanity’s first attempt to stop a cosmic killer. NASA’s DART mission smashed into an ...

Stargazers rejoice! Dec. 4 marks the start of the annual Geminid meteor shower, as Earth passes through the trail of debris ...

Tryptophan, the essential amino acid behind the Thanksgiving myth that eating turkey can make you sleepy, has been found to ...

The Geminid meteor shower will hit its peak the night of Saturday, Dec. 13, and continue into the morning hours of Sunday, ...

The Geminids return with near-perfect viewing conditions, offering skywatchers up to 150 meteors an hour under dark December ...

Potential impactors are most likely to have low velocities and the highest likelihood of hitting Earth during the winter.

“Impact flashes on the moon are very common,” University of Colorado Boulder astrophysical and planetary sciences professor Paul Hayne said. “In fact, they happen more or less every night, and it’s a ...

A clear look at the discovery of 40,000 near-Earth asteroids, how scientists track them, and the missions working to keep our ...

An asteroid named YR4 is on a potential collision course with the moon, with NASA estimating a 4% chance of impact in 2032.