This is one of a trio of objects fighters shot down over the U.S. and Canada in a three-day period following the Chinese spy ...

More than 300 pages of intelligence reports from the National Security Agency have shed new light on UFO sightings.

A foreign object is something in the body that doesn’t belong there. It may be accidentally or intentionally swallowed or lodged in the ears, nose, eyes, skin, and airways. Many types of foreign ...

For months now, astronomers have been closely watching the mysterious interstellar object 3I/ATLAS as it rips through the solar system at a breakneck velocity. And before it finally leaves us for good ...

Rats and mice have a tendency to interact more with a novel object than with a familiar object. This tendency has been used by behavioral pharmacologists and neuroscientists to study learning and ...