The James Webb Space Telescope has caught a napping monster black hole in the early universe. The cosmic giant is slumbering ...

A patient went to the doctor for cataract surgery, but her physicians were surprised to find a huge, foreign mass under her ...

NASA's Parker Solar Probe flew closer to the sun than any human-made object ever — a stunning technological feat that ...

The James Webb telescope has focused its attention on an oddball space rock lurking between Jupiter and Neptune. The unusual ...

Researchers have found that stick insects keep evolving the same 20 body plans, from the "tree lobster'" to the "bark hugger" ...

Collected from some of the best-known photography competitions around the world, here are the most captivating nature photos ...

An 1,800-year-old gold ring with a carving depicting Venus, a Roman goddess associated with victory, has been discovered in ...

Today, the Denali Fault rips apart some of the North American plate, but it was once a place where tectonic plates came ...

Massive reductions in Antarctic sea ice in recent years has been correlated with more stormy days in the Southern Ocean, and could have implications for vital ocean currents.

The legacy of our ancient human relatives, "brain-eating-amoeba" infections, emerging viral threats, the promise and peril of ...

A genetic analysis of six people buried in a Moche tomb around A.D. 500 revealed that two teenagers were sacrificed to their ...

From angry dolphins and snakes taking faking their deaths to the next level, to a frog who had just had enough. Take our quiz ...