Tens of thousands of years ago, modern humans mated with Neanderthals. But exactly how and when that happened, and who those groups of humans were, was less known. New research adds some clues.

The Geminids are one of the best and most visible annual meteor showers, when at least 120 meteors can usually be seen per hour. But 2024 will be different, thanks to the year's final full moon.

Scientists have identified two types of brain cells in the abdomen that appear to control different aspects of digestion.

Killer whales off Mexico have developed coordinated hunting skills to take down whale sharks, adding to their reputation as the ocean's top predator.

U.S. officials decided to extend protections to monarch butterflies after warnings from environmentalists that populations are shrinking and the beloved pollinator may not survive climate change.

Arctic tundra is releasing greenhouse gases into the atmosphere as hotter temperatures melt frozen ground and wildfires increase.

The nuclear industry and big tech companies think they can solve each other's problems, but critics are skeptical the marriage can last.

The Department of Energy is focusing on aerogels to reduce the severity of lithium battery fires. A lab that creates the substance shares the technology behind it all.

Their job is to keep the peace amid a worsening and at times deadly conflict between humans and the world's largest land animal in the town of Livingstone, Zambia.

A new study projects biodiversity threats if global warming speeds up. Under the most extreme scenarios, about one in three species could be facing extinction by the end of the century.

The bees and ... the wolves? Turns out, the Ethiopian wolf may be a pollinator, too.

Scientists have pointed out that extreme heat is particularly dangerous for older people. A new study shows that young, healthy people are also dying too often in extreme weather.

It started in the Eisenhower era: Every year, Wisdom, a Layan albatross, has returned to her nesting grounds on the Midway Atoll in the Pacific Ocean.

Turtles are ending up in the cold waters of Cape Cod Bay. Here's how the New England Aquarium is warming them up and nursing them back to health.

The tiny ray spider uses launches its web to grab its prey out of the air. Though common practice in the superhero world, this ability is actually unusual in spiders.