A 260 million-year-old fossil has been determined to be the oldest ancestor of turtles found to date, revealing something about the reptile's mysterious past. Back in the olden days, or rather 260 ...

Add Yahoo as a preferred source to see more of our stories on Google. Shell integration typically involves 50 to 60 individual bones fusing into a permanent structural cage. The carapace creates a ...

The shells of chelonians—think turtles, tortoises, and sea turtles—grow in layers, keeping a time-stamped record of environmental conditions. Uranium has shown up in the layers of turtles’ and ...

Nuclear explosions can have far-reaching consequences on the environment and people surrounding a detonation site. After a nuclear weapon test, for example, particles and gases from an explosion ...

On a spring day in 1978, a fisherman caught a tiger shark in the lagoon surrounding Enewetak Atoll, part of the Marshall Islands in the north Pacific. That shark, along with the remains of a green sea ...

The origin of turtles has always been a bit of a puzzle for scientists who study the evolution of animals. To this day, where they fit in the tree of life remains a highly debated topic. Subscribe to ...

Grist is a nonprofit, independent media organization dedicated to telling stories of climate solutions and a just future. A new study found trace amounts of nuclear waste in sea turtles in the ...

The sea creature arrived at San Diego's Birch Aquarium in 2014 A 3D-printed brace shell has helped one lucky loggerhead sea turtle in California get a clean bill of health. The sea creature arrived at ...

Like ancients made visible, Virginia is home to 25 species of turtles, many of them already in decline or vulnerable to it, ...

It's easy to understand why so many use the words "turtle" and "tortoise" interchangeably. They look similar with their characteristic bony shells and lipless expressions, and, in some cases, they ...