Lilo & Stitch 626 #2 hits stores Wednesday! Can Stitch learn to swim, or will a giant squid ruin everything? Plus: flashback ...

A polarizing Harvard astronomer has been appointed to lead a White House panel studying UFOs. Avi Loeb is leading a new ...

MK-Ultra ran from 1953 to 1973 amid fears the Soviet Union and China were brainwashing prisoners during the Cold War.

Deep within Uranus and Neptune, immense pressure and heat are transforming carbon into diamonds that rain down through the ...

The International Space Station is now home to an even more capable quantum laboratory, where NASA cools atoms to nearly ...

An artist’s rendering of a black hole like the one in the center of our galaxy. While the black disk in the center is the ...

Scientists are raising concerns that we may be overlooking evidence of extraterrestrial life even when it is present. Hidden ...

A biologist specializing in invasive species has partnered with a former Pentagon strategist in pushing NASA to construct a ...

For decades, the question of whether life exists beyond Earth has been the domain of science fiction writers and late-night ...

A NASA astronaut preparing for a grueling eight-month stint in orbit reveals a plan to test for extraterrestrial life.

Something is absorbing light on the surfaces of Pluto and Saturn’s moon Titan, and figuring out what it is could be crucial ...

Grain-sized remnants of alien technology may get caught in solar wind and land on plants and moons close to us ...