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This video follows an international team of researchers as they collect data to map migratory bird populations in the US and Mexico.

DNA is all around us — even in the air we breathe. Now scientists have found that air quality monitoring stations — which pull in air to test for pollution — also pick up lots of DNA that can reveal what plants and animals have been in the area.

Scientists who tracked humpback whales in Australia noticed that fewer whales wailed to find mates as their population grew.

Scientists have uncovered new clues about a curious fossil site in Nevada, a graveyard for dozens of giant marine reptiles.

Scientists discovered the oldest known DNA and used it to reveal what life was like 2 million years ago in the northern tip of Greenland.

From South Dakota and Oklahoma to Alaska and Alberta, Indigenous groups in the U.S. and Canada are leading efforts to restore bison across North America.

This video shows how a group of students, scientists, and volunteers came together to make hand sanitizer and masks for their community during the COVID-19 pandemic.

Oxygen levels have dropped in hundreds of lakes in the United States and Europe over the last four decades, a new study found.

Killer whales that feast on seals and hunt in small packs are thriving while their widely beloved siblings are dying out.

With demand for COVID-19 vaccines outpacing the world’s supplies, a frustrated public and policymakers want to know: How can we get more? A lot more. Right away.

The world’s vital insect kingdom is undergoing “death by a thousand cuts,” the world’s top bug experts said.

The COVID-19 pandemic has helped revive the autopsy.