Scientists at the European Space Agency have created an animation showing Mars that's been strung together from photos of a desert canyon on the planet.
The Environmental Protection Agency (EPA) is proposing the nation's first-ever drinking water standard around polyfluoroalkyl substances (PFAS) or "forever chemicals."
A new atmospheric river brought heavy rain, thunderstorms and strong winds to California on Friday, raising the threat of flooding and disrupting travel.
U.S. health officials are alerting consumers about two more recalls of eyedrops due to contamination risks that could lead to vision problems and serious injury.