A blazar is an active galactic nucleus, essentially a galaxy with a supermassive black hole at its heart, devouring surrounding material and blasting out a jet of plasma at close to the speed of light ...

The partnership between ravens and wolves goes back to Norse mythology – Odin's birds scouted ahead and led prey to the god's canines, a relationship that provided food for all.

A new study has discovered dozens of potentially harmful chemicals in widely used hair extension products, raising serious concerns around their safety and regulation.

For more than a century, scientists have been trying to figure out how a falling cat lands on its feet with such astonishing ...

Our view of the cosmos changes completely based on how we observe it. Now, astronomers have released the data from the largest-ever sky survey at radio wavelengths, revealing nearly 13.7 million ...

A new analysis of a shinbone from the oldest known giant tyrannosaur in North America suggests that the 'king of dinosaurs,' Tyrannosaurus rex, may have had an unusually large ancestor.

It consisted of 18 women participating in a 5-day dry immersion test to assess the risk of developing potentially life-threatening blood clots. The results support existing evidence that women are at ...

A new study of esports gamers has found that sparkling water could be better than still water if you want to maintain concentration and alertness over long sessions at a desk.

Sleeping with a clunky breathing machine is a problem for many with sleep apnea, but a more comfortable alternative is on the horizon.

The most comprehensive analysis yet on recreational drug use and stroke risk has identified three substances of concern – one of which may nearly triple the risk of a blood vessel bursting in the ...

Problems with sleep often show up much earlier than more recognizable symptoms in people who develop Alzheimer's disease, but ...

CAPE CANAVERAL, Fla. (AP) – An old NASA science satellite plunged uncontrolled from orbit and reentered over the Pacific on Wednesday. The US Space Force said the Van Allen Probe A came in west of the ...