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 ...

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

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

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.