Researchers have announced results from a new search at the European X-ray Free Electron Laser (European XFEL) Facility at ...

Researchers at the University of Oxford, together with colleagues at the UK Science and Technology Facilities Council (STFC) and at several other ...

BEIJING -- China's Einstein Probe (EP) astronomical satellite has captured an X-ray flash from a rare and elusive binary star ...

NASA's flagship space telescope captured flares from the disk of superheated material around the black hole, revealing the dynamic—and explosive—physics at our galaxy's core.

How do you cool down a phoenix? I don't mean the mythological birds of flame and rebirth, but rather a cosmic namesake with a fittingly fiery nature.

The European Space Agency's Einstein Probe has captured an X-ray flash from an "odd celestial pair" of stars more than 10 ...

The Phoenix Cluster's central galaxy is about 5.8 billion light-years away and should be mostly done with star formation. Many galaxy clusters have a region of hot gas in the intracluster medium (ICM) ...

Planet demographics reveal a puzzling lack of worlds in a certain size range throughout the galaxy F or centuries our solar system was the only planetary system known to humans. We had no proof other ...

Scientists see powerful explosion from mysterious, unknown object in space - Bright flash had been hidden in old data, ...

This breakthrough builds on more than a decade of research using NASA’s Chandra X-ray Observatory and Hubble Space Telescope, ...

Lobster-eye satellite Einstein Probe captured the X-ray flash from a very elusive celestial pair. The discovery opens a new ...