The toxin was found in the body of the Russian dissident Aleksei A. Navalny, who died in prison two years ago, five governments said, challenging Russia’s official account.

Heartbreak isn’t just an emotional experience. It can physically hurt. Discover five ways love affects your body and what an expert says can help.

A leading American research lab is slated to lose its critical supercomputing facility, according to a letter released Thursday by the National Science Foundation.

The Trump administration has revoked a scientific finding that climate change is a danger to public health, an idea that ...

A planetary system 116 light-years from Earth has a peculiar pattern. It could flip the script on how planets form, scientists say.

Richard Carrington’s name has long been connected with the most intense solar storm ever recorded, but his face was unknown until a lost portrait surfaced.

Scientists found a 307 million-year-old fossil, Tyrannoroter heberti, revealing one of the earliest known land vertebrates ...

Every single curling stone in the Winter Olympics is crafted from a special granite found only on Ailsa Craig, a small ...

As much as 45 oceans’ worth of hydrogen may be in Earth’s core, scientists reported, suggesting most of Earth’s water was ...

Archaeologists in Turkey say they have uncovered evidence that the Romans used human feces in medical treatments, according to new research.

Children love to play pretend, holding imaginary tea parties, educating classrooms of teddies or running their own grocery stores. Now, a new study suggests that such make-believe play is not a ...