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New technology is making it easier to find the origins of trafficked wildlife so they can be released back to the habitat they came from, instead of languishing for decades as sometimes happens.

The Federal Aviation Administration opened the investigation after a rocket booster toppled aboard a drone ship after it was returning from lofting SpaceX's Starlink internet satellites into space.

If humanoid robots make you a bit queasy — would it help if they had fleshy faces that can smile at you?

President Biden talked about the sweeping changes he has seen during his long career, urged an end to wars in Ukraine, Gaza and Sudan, and said "some things are more important than staying in power."

California's three largest utilities received approval to collect $27 billion from ratepayers after utility equipment sparked tragic wildfires. The soaring price of electricity has ignited debate about how much California families should bear for the cost of wildfire prevention, whether utilities are balancing risk and affordability and whether the money is being spent wisely.

So much ice is melting at the Earth's poles that it's affecting the rotation of the planet, scientists say. Its spin is slowing down slightly, causing days to get longer.

The University of Iowa’s Office of the State Archaeologist said a 12-day excavation yielded “several mastodon bones,” primarily from the skull. Mastodons are distant cousins of elephants.

A lot of people are sleep deprived, according to the CDC. Some take supplements like melatonin to help. Now there's growing interest in magnesium as a sleep aid. But is there any evidence it works?

Dr. Frank Hoffman was appalled by the sheer numbers of cases of early-stage breast cancer that were being missed. Then he had an idea: What if "we were to specially train others to do it."

Comic-Con hotels are nearly impossible to book. But UC San Diego is now offering their dorms as one solution.