Sometimes, nature delivers a surprise that feels almost miraculous. Scientists have confirmed that two small marsupial species — the pygmy long-fingered possum and the ring-tailed glider — are still ...

• 13 million years ago, a medium-sized monkey known for guarding its territory among the treetops with a fearsome “howl” started doing something new. This monkey, one of the oldest known ancestors of ...

University of Chicago professor Paul Sereno led several expeditions to Niger that culminated in the discovery of Spinosaurus mirabilis, the first evidence of a new species of the Spinosaurus genus in ...

A nearly complete dinosaur skeleton discovered in Patagonia is helping scientists crack the mystery of alvarezsaurs, a bizarre group of bird-like dinosaurs. The fossil of Alnashetri cerropoliciensis ...

A tourist reaching out to a curious cetacean. A joyous marriage celebration in Iraq. A cowboy hugging his daughter as he arrives home. Check out some of the pictures featured in our Photo of the Day.

Research tracking thousands of adults found that staying fit lowered mortality and liver disease risk among drinkers—though rising alcohol use still took a toll. Emerging research suggests that people ...

In 1952, 52 servicemen died in a plane crash in Alaska’s Chugach Mountains. The discovery of their bodies may have been aided by a warming planet. An Alaska National Guard helicopter takes off at ...

A new species of Spinosaurus with spectacular headgear has been described, and the location where it was found is powerful evidence in a closely followed dinosaur debate: Were these giants sea ...

Deep in the heart of the Sahara, scientists have uncovered Spinosaurus mirabilis — a spectacular new predator crowned with a massive, scimitar-shaped crest that may once have blazed with color under ...

The semi-aquatic dinosaur, Spinosaurus mirabilis, was discovered by an international team of scientists working in Niger.

A newly discovered species of large dinosaur lived in marshy areas, hunted for fish and had an impressive horn protruding from its skull. It is the first time in over 100 years that scientists have ...