Science

NASA is once again marking a series of somber anniversaries and remembering 17 astronauts who died in the three tragedies. 

The man who calls himself "Joe Exotic" is going to prison for trying to hire a hitman to kill an animal activist in the Bay Area.

Chocolate chip cookies became the first food baked in space from raw ingredients -- and they took two hours to bake, NASA says.

NASA has narrowed down the number of names for its next Mars rover, which is currently going by "Mars 2020" until it gets an actual name.

Invasive iguanas burrowing into the soft dirt around an aging dam cost a Florida city $1.8 million in emergency repairs.

After a series of heartbreaking images of starving lions in Sudan were posted online, a global campaign is underway to save them.

SpaceX blew up one of its own rockets Sunday morning as part of a key test to show that its new Dragon capsule is safe for astronauts, bringing the company one step closer to its first crewed flight.

Mankind's return to the moon and eventually to Mars will be made possible in part by equipment made right here in the Bay Area.

Florida’s aerospace agency has launched a new front in its effort to make the Sunshine State more enticing as a potential player in the nation’s up-and-coming Space Force.

Video from a trail camera in Vermont shows a deer shedding its antlers in the middle of the night.

A 6-year-old boy in Massachusetts is doing his part to help save animals affected by the devastating wildfires in Australia.

The famed Galapagos giant tortoise named Diego – estimated at over 100 years old – fathered 40 percent of all tortoises on Espanola Island in the Galapagos and is officially retiring.