"This pushes our models to their limits and challenges our existing ideas about how these X-ray flashes are being generated." ...

The ability to modulate an X-ray beam lead to data rates in the gigabits per second range, greatly enhancing our ability to move data around in space. What’s more, X-rays can be more tightly ...

A star in a faraway galaxy is sending itself into a spiral of doom, repeatedly plunging through a disk of hot gas surrounding ...

The blazar BL Lacertae, a supermassive black hole surrounded by a bright disk and jets oriented toward Earth, provided ...

NASA has released three new pieces of cosmic sound that are associated with the densest and darkest members of our universe: ...

NASA and the Saudi Space Agency have signed an agreement for a Saudi Arabia CubeSat to be launched aboard NASA's ...

"The bursts of X-rays from Ansky are ten times longer and ... The team's QPE observations were made possible with assistance from the European Space Agency (ESA) space mission XMM-Newton, NASA's ...