This discovery has scientists suggesting that not all ancient reptiles laid eggs.

These notes shine a light on the complex relationships that slaves had with their masters.

A mysterious Viking ship burial unearthed in Scotland has yielded a wealth of artifacts.

Two women believed to be North Korean agents attacked Kim Jong-nam with "poisoned needles" at the Kuala Lumpur airport before successfully escaping in a taxi.

The "shoot-on-sight" policy at India's Kaziranga national park saw more poachers killed by guards than rhinos killed by poachers in 2015.

If you can believe it, many American women initially did not want the right to vote. Here are some of their own reasons why.

However, there's still a long way to go before we'll have individualized replacement hearts.

Possible remains of America's first colonists, Holocaust songs recovered, the Mitch McConnell/Elizabeth Warren rule, The Beatles hit America, and photos taken just after history was made.

The dark internal struggles all but left out of the history books.

A physical fight between two Senate Democrats prompted the adoption of Rule 19.

This two-tower complex will remove 26 tons of CO2 from the atmosphere every year.