NASA's Hubble Space Telescope has captured a spectacular red, white, and blue view of one of the Milky Way's oldest star clusters to celebrate the nation's 250th anniversary. Hidden within the ancient ...

Informed by science from the Smithsonian Astrophysical Observatory and astronomers worldwide, this “documentary that you can walk through” visualizes the cosmos in a 3-D introduction to the universe ...

The protostars of the star system FS Tau as seen by the JWST (Image credit: NASA, ESA, CSA, STScI; Image Processing: Alyssa Pagan (STScI)) Infant stars or "protostars" celebrate their independence ...

On the exoplanet Janssen, heat from its host star and immense pressure have made the world something of a hellscape, with the potential for lava flowing across its surface. But amid the fiery chaos, ...

A star could be about to become visible in the night sky in a once-every-80-years explosion. Here’s how to easily find T ...

NASA is racing to save an aging telescope from falling back to Earth with a daring rescue mission. The $30 million salvage ...

Launched in 2004, Nasa’s Swift Observatory is sinking faster than ever because of recent solar storms.

Scientists still don’t know where ghostly particles called neutrinos originate. A distant galaxy could be a potential source.