Longtime NASA astronaut Don Pettit is set to return from his fourth trip to space on Saturday night. Here are some of his ...

The ultimate purpose of PUNCH is to use its four instruments — three wide-field imagers (WFI) and a near-field imager (NFI) — ...

The constellation of four satellites can take both narrow- and wide-field images of the Sun to study its corona and solar ...

The Lyrid meteor shower is about to reach its peak activity for April. Here's when and how to see it, along with a cloud forecast.

This week was monumental for NASA’s Polarimeter to Unify the Corona and Heliosphere, or PUNCH mission. The four small satellites sent to low Earth orbit opened their eyes metaphorically for the first ...

Astronomers are applying new image-processing techniques to previously released Hubble observations in honor of the space ...

Videos of a ball of fire from space shooting over Mexico and dissolving in a burst of light struck awe across the capital ...

The Northern Lights are caused by the interaction of solar wind - a stream of charged particles escaping the Sun - and our ...

A newly-discovered comet is currently hurtling towards the sun and could be visible to UK stargazers. The unexpected comet is ...

The northern lights shone bright in some states Tuesday, but is tonight the night to view the dazzling display in New Jersey? Here's a map, timing.

Scientists thought they saw a distant star swallow a planet for the first time ever. But new observations from the James Webb ...