NuSTAR sees X-rays that appear at only a few locations ... caught the action in dramatic detail in extreme ultraviolet light ...

An astronaut’s photo from the International Space Station captures crepuscular rays and cumulonimbus clouds, revealing a ...

This stunning image of the Sun is captured by NASA's Hubble Space Telescope. This composite image of the Sun includes high-energy X-ray data from NASA's Nuclear Spectroscopic Telescope Array (NuSTAR).

Primordial black holes may be exploding throughout the universe. If we can catch them in the act, it could pave the way to ...

Massive stars about eight times more massive than the sun explode as supernovae at the end of their lives. The explosions, ...

Blue dots in this field of galaxies show galaxies that contain supermassive black holes emitting high-energy X-rays. This illustration of material swirling around a black hole highlights a particular ...

Jupiter, which currently gleams from within the sparkling winter constellation Taurus, reaches opposition with the sun just a ...

The ozone layer is a part of Earth’s atmosphere that captures some of the Sun’s ultraviolet (UV) light emissions. When the ...

An illustration of osteoporosis of the spine ... Sunlight through a window won’t have the same effect – glass reduces ...

Astronomers have discovered a "dead star" neutron star is spinning at an incredible 716 times a second, making it the joint fastest-spinning cosmic body ever seen. Not only this, but the neutron ...

A simple workaround? Blackout curtains. We think the best blackout curtains overall are from Sun Zero Nordic. In addition to complete blackout coverage, they come in a range of colors and size ...

It isn’t immediately clear whether the remaining Hamas leadership hosted by Qatar must leave, or where it would go. It will likely take more than ‘24 hours,’ though, if Ukraine is to avoid a defeat ...