NASA announced plans for three uncrewed missions to the moon this year that will serve as early steps toward building a permanent base on the lunar surface.

An issue with a valve caused the contents of a chemical storage tank in Garden Grove, California, to overheat, prompting fears of a possible disaster that threatened to expose residents to toxic plumes and destroy buildings.

Dead, emaciated gray whales have been washing up on Washington state shores at a shocking pace over the last few months.

A man was arrested in Connecticut this week after officials in Virginia say new evidence links him to the murder and rape of a woman 40 years ago.

SpaceX is set to launch a new prototype of its Starship megarocket on a key test flight Thursday — one that could take astronauts back to the moon

The U.S. Environmental Protection Agency said residents should feel assured that most properties cleared by the U.S. Army Corps of Engineers don’t have hazardous amounts of lead. At least one outside scientist is skeptical.

By the time the American surgeon who contracted Ebola was flown to Germany, he was barely able to stand on his own, according to leaders of the Christian missionary group where he worked.

A newly discovered asteroid estimated to be about 62 feet wide will zoom near Earth on Monday, though it is not expected to pose a threat to the planet.

SpaceX plans to launch a new version of its Starship rocket — a prototype of the system that NASA hopes will carry its astronauts to the moon — on Tuesday.

California’s spate of mushroom poisonings, which has killed four people and hospitalized 43 others, is the largest known outbreak of its kind in U.S. history, experts say.

Since the L.A.-area fires, Altadena residents have found toxic compounds such as lead and asbestos in their living spaces and lots. Many have not returned home.

Scientists think the hantavirus, the deadly pathogen that has infected 11 passengers on a Dutch cruise ship, could be as old as humans.

The Pentagon on Friday began releasing “never-before-seen” files relating to unidentified anomalous phenomena — previously and more infamously known as unidentified flying objects, or UFOs — that the government has been holding onto for decades –The files have been a source of intrigue and fascination for generations of skeptical Americans wondering if we’re alone in the universe.

One of the most powerful El Niño events ever recorded could form in the coming months, according to new forecasts, raising concerns about global temperatures, hurricanes, drought conditions and other extremes this year

NASA over the weekend released thousands more photos from last month’s Artemis II mission around the moon.

J. Craig Venter, one of the lead scientists in sequencing the human genome and a pioneer of modern genomics, died on Wednesday, his research institute announced.

Wildfires raging this week in southern Georgia and northern Florida were fueled by a combination of hot and windy conditions, severe drought and dried-out vegetation from past hurricanes all feeding the blazes

NASA Administrator Jared Isaacman told NBC's Lester Holt that lessons from the Artemis II moon mission are informing plans to build d on the lunar surface.

A destructive "jumping worm" species — also known as a "crazy worm" or "snake worm" — is threatening gardens in Colorado and the West, state officials said.

The Justice Department on Thursday announced that it was moving to ease restrictions on state-licensed medical marijuana, opening the door for more research and treatment options