The spacecraft will study the solar system's edge, magnetic fields in interplanetary space, and remnants of exploded stars.

The partial solar eclipse was visible to over 16 million people when it darkened the sky over the Pacific on Sept. 21-22 ...

Located 12.8 billion light-years away, the black hole, called RACS J0320-35, weighs about a billion times the mass of our sun ...

Three missions aimed at observing space weather are set to launch Sept. 23 from Florida. Here's what to know about NASA's IMAP and more.

NASA has claimed the sun is 'waking up', and it could cause major issues on Earth. Between 1988 and 2008, our sun went through a major slump... although you probably wouldn't have noticed. Its solar ...

How often do black holes explode? New research refines old calculations, hinting that black hole explosions may be a ...

A new NASA study suggests that solar activity will remain high or rise further in the coming decades, contradicting previous assumptions that the sun was quieting down — and scientists "don't ...

NASA’s IMAP mission, led by Princeton University’s David McComas, will study the heliosphere — the invisible electromagnetic ...

Astronomers have detected a cosmic explosion unlike anything ever seen before—an event that could point to a rare type of ...

New X-ray data from NASA’s Chandra telescope reveals Cassiopeia A’s chaotic final hours, showing how dying stars collapse and ...

A giant explosion that lit up the sky didn't just rock the cosmos – it absolutely rattled our understanding of the Universe's ...

The burst seems to have been caused by a highly extraordinary event, but scientists don’t yet know exactly what that could be ...