Predicted by Einstein and dismissed as undetectable, gravitational waves were finally heard in 2016. Now, with observatories ...

Gravitational waves stretch and squeeze the fabric of space and time itself. When space/time is squeezed, pulsar pulses ...

Black holes in a pair of merging galaxies, known as UGC4211, are devouring gas and dust that is "being displaced by the merger," according to ALMA scientists. The Atacama Large ...

For victims, recovery hampered by delayed reporting, traceless withdrawals, fictitious mule addresses — and redressal process ...

A cataclysmic variable star was found as part of a project using two telescopes from opposite sides of the world.

"We would need to consider the possibility that the source was created (or trapped as a primordial black hole) by a highly advanced technological civilization," Harvard's Avi Loeb writes.

These black holes are the most distant and stable objects we know. Using a technique called very long baseline interferometry ...

A new quantum recipe for black holes could be the first step toward a theory of "quantum gravity", the "holy grail" of ...

NASA's Chandra X-ray Observatory provides a new look at the Andromeda galaxy in this multi-wavelength image that includes ...

The scientists who precisely measure the position of Earth are in a bit of trouble. Their measurements are essential for the ...

Astronomers detect 10 billion-year-old radio waves from a distant galaxy cluster SpARCS1049, revealing a mini-halo that ...

Supermassive black holes usually lurk unseen, but when an unlucky star drifts too close they ignite titanic outbursts ...