"I knew right from the minute we dropped in that it was something special," conservationist Sophie Kalkowski-Pope said.

An employee’s odd pattern in broken play equipment sparks questions about pigment chemistry and plastic durability.

It's 99 percent dark matter, a new study explains.

Volunteer searchers fanned out looking for clues as the hunt for the missing 84-year-old mother of "Today" show cohost Savannah Guthrie entered its 22nd day.

The average student loan borrower aged 35 to 49 years has struggled with payments and is delinquent or in default.

A new Triassic crocodylomorph from Gloucester sheds light on early crocodile evolution and pre-extinction ecosystems.

Volunteers discovered a backpack not far from Nancy Guthrie's home as the search for the missing mother of Savannah Guthrie ...

In the Perseus galaxy cluster, 300 million light-years away, a galaxy has been discovered that consists almost entirely of dark matter.

Investigators returned to Nancy Guthrie's Tucson neighborhood as the search for the missing 84-year-old entered its 22nd day.

3 men arrested in Palm City after cocaine found during traffic stop ...

A now-closed camp that housed thousands of people with suspected links to the Islamic State group in northeast Syria has witnessed “mass escape” in the weeks since government forces took control of it ...