In 2026, a first-of-its-kind spacecraft—launched on a rocket dropped out of a plane—will attempt to save NASA’s Swift ...

NASA's Advanced Composite Solar Sail System (ACS3) will be visible from the ground. Find out when you can see it on the NASA ...

Nasa has released new images of 3I/ATLAS, a stray comet from another world that people either think is an alien spacecraft or ...

Stargazers across the United States are in for a treat this weekend as the annual Leonids meteor shower lights up the night ...

A rare alignment between Earth and Saturn will make the gas giant’s rings appear so thin that they’ll be nearly invisible.

Five years of imagery from NASA's Transiting Exoplanet Survey Satellite (TESS) have been stitched together to create an ...

Mars and Mercury cozy up, the Leonids sparkle, and Saturn's rings are…disappearing? Mars and Mercury get close for a ...

The rare interstellar comet, also known as 3I/ATLAS, was first discovered in July and has been photographed several times.

These young, hot blue stars are members of the Pleiades open star cluster and resides about 430 light-years away in the ...

NASA is unveiling close-up pictures of the interstellar comet that's making a quick one-and-done tour of our solar system.

Spectacular video shows the aurora borealis, more commonly known as the northern lights, as they danced across the night sky ...