Science

With hornlike facial fins and diamond-shape bodies that can stretch nearly 30 feet across, manta rays are among the strangest fish in the sea. Yet these behemoths’ most puzzling feature is a...

During his Inaugural Address on Monday, President Donald J. Trump again promised to launch American astronauts to Mars.Seated nearby, Elon Musk, a political benefactor of Mr. Trump who founded SpaceX in the...

President Trump launched a broad attack on the wind power industry in the United States, with a sweeping executive order that could block not just new offshore wind farms in the Atlantic...

Parents and their children, or people who know each other well, often share some expression that is unique to them — a phrase or gesture that began by happenstance but gradually acquired...

President Trump moved quickly on Monday to withdraw the United States from the World Health Organization, a move that public health experts say will undermine the nation’s standing as a global health...

Ena Onishi, a doctoral student at Kyoto University, has spent over 600 hours watching chimpanzees urinating. She has a good reason for all that peeping, though. She is part of a team...

At the height of the Los Angeles County wildfires, atmospheric concentrations of lead, a neurotoxin, reached 100 times average levels even miles from the flames, according to early detailed measurements obtained by...

Three years ago, when Bob and Sandy Curtis moved into an upscale continuing care retirement community in Port Washington, N.Y., he thought they had found the best possible elder care solution.In exchange...

The urgent radio calls by the air traffic controllers at the Federal Aviation Administration office in Puerto Rico started to go out on Thursday evening as a SpaceX test flight exploded and...

President-elect Donald J. Trump has picked Brandon Williams, a former Navy officer and one-term congressman, to become the keeper of the nation’s arsenal of thousands of nuclear bombs and warheads.Mr. Trump’s selection...