A new exhibition at the Smithsonian's National Museum of Natural History combines satellite observations and historical data ...

How the most divided period in the history of U.S. democracy – the mid-1800s – coincided with a sudden boom in new ...

Conservation scientist Ullas Karanth is still optimistic about the future of the majestic cats of the south Asian jungle Photos by Julie Larsen Maher ...

The researchers place a white "X" on one side of Happy's head. When Happy sees the "X" in the mirror, she repeatedly touches the mark with her trunk (00:45) ...

Using a GoPro camera, Luc Poletto captures the holiday atmosphere in the Canadian city (04:46) Travel ...

Donnell Brown and his fellow cowboys combine modern science with their decades of experience with cattle ranching to create the perfect specimen of beef ...

In 1905, New York City hosted a grand procession for the last living soldier of a war that ended 90 years earlier (02:42) ...

An exclusive group of thought leaders gathered at the museum to discuss how the world prepares for the next global pandemic, raises public awareness, and explores potential responses and solutions ...

Over 50 different actors have portrayed the famous detective on the big screen, from Basil Rathbone to Robert Downey, Jr. Photos Courtesy of The Internet Archive; Mary Evans/Ronald Grant/Everett ...

Megan Leftwich, an engineering professor at George Washington University, is building a robotic flipper based on her observations of sea lions ...

In the Virunga National Forest, the mountain gorilla population sits in the middle of a war zone in the Democratic Republic of the Congo as forest rangers track and keep a watchful eye on the threaten ...