Korean scientists studying Type Ia supernovae have found strong evidence that the universe's expansion is not accelerating, ...

A 'prelude to a supernova' is how NASA describes this stunning new James Webb Space Telescope image of Wolf-Rayet Star WR 124. Travel 15,000 light years in this zoom-in to see the amazing look. Credit ...

As if dark energy weren't already mysterious and baffling enough, new research suggests that this unknown force may not be ...

The James Webb Space Telescope has captured new imagery of supernova remnant Cassiopeia A. It is 11,000 light-years away in the Cassiopeia constellation. Credit: Space.com | footage courtesy: NASA, ...

NASA's Chandra X-ray Observatory and Hubble Space Telescope confirmed the existence of a companion star orbiting Betelgeuse, ...

For several decades, evidence has suggested that the expansion of the universe is accelerating. Crucial to those estimates ...

While pottering around the universe, the Hubble Space Telescope recently clicked a photo of a dying star. The image sent back to Earth looks like a giant lidless eye peering back at the telescope, as ...

For the first time ever astronomers have witnessed a budding star system emerge for the cosmic fog. Credit: Directed by: L.

NASA's NICER telescope halts its mission after a key motor fails; engineers attempt to salvage eight years of space science.

After three years of searching, scientists have caught the elusive phenomenon. — -- The "brilliant flash" that occurs when a star dies and explodes has been captured for the first time in visible ...

Buildings at Goddard’s Maryland campus are being emptied and padlocked, sources say. NASA leadership has pushed back against the concerns.