Eruptions from sunspot AR3664 have created a geomagnetic storm that is delivering jaw-dropping northern lights on Earth. The ...

A dramatic aircraft chase of a falling spacecraft has provided new insights into the fiery processes that accompany the ...

Under optimal conditions, about 50 Eta Aquariid meteors can be seen per hour during the shower's peak. But light from the ...

Is it easier to fall asleep in low gravity?” and other spaceflight questions, answered by two NASA sleep scientists.

The Aquarids meteor shower is set to peak this week. Everyone in the U.S. will have a chance to catch a glimpse.

Halley’s comet swings near Earth every 75 years. But debris left by the comet leads to two major meteor showers every year including the Eta Aquarids.

Halley's Comet holds a special place of significance and popularity among both the general public and the astronomy community ...

Super-Earths, larger planets similar to Earth, are far more common across the universe than scientists previously believed, ...

Astronomers are once again getting excited about a rare nova that could appear in the night sky anytime from now into the coming months. Here's why.

Time to roll out your picnic blanket and unfold those lawn chairs: A meteor shower is set to streak across the (very) early ...

This surge in solar wind is linked to a giant coronal hole on the Sun, an area where the solar magnetic field opens up and ...