A bright green fireball was visible in parts of the Pacific Northwest as it beamed across the sky. The Oregon Museum of Science and Industry describes a fireball as a particularly bright meteor that can be seen up to 80 miles above the Earth. The museum says …

There's been an uptick in meteor sightings across the U.S., including Texas, in recent weeks. Scientists explain why.

Repeated cloning from a single mouse failed after 58 generations. Researchers say harmful DNA changes are to blame.

A newly discovered freshwater reservoir beneath the Great Salt Lake could redefine water science and offer unexpected solutions to drought and dust pollution.

The agency will increase robotic missions to the Moon and launch a nuclear spacecraft called Space Reactor 1 Freedom.

"WISPIT 2 is the best look into our own past that we have to date."

Technique that inserts the genome of one bacterial species into the ‘dead’ cells of another could open doors for synthetic biologists.

Jonny Kim will address Harvard’s global alumni community.

The asteroid will make a close approach to Earth just three days following its discovery.