View from space: Tropical Storm Andrea

Watch a 20-second video of Tropical Storm Andrea from June 4 - June 6, a view from space.

To celebrate World Oceans Day, watch Reef Live from Australia

Reef Live is a streaming video event from Australia, focused on the Great Barrier Reef. It features some of the world's leading experts and divers.

Oldest primate skeleton provides clues to early humans

Oldest known primate skeleton found in China in 2002. While not part of human lineage, this little creature does provide tantalizing clues to our earliest history.

New all-solid sulfur-based battery outperforms lithium-ion technology

Scientists have designed and tested an all-solid lithium-sulfur battery with approximately four times the energy density of conventional lithium-ion technologies.

Managing wild horse and burro populations in a human world

Many find the story of free-ranging horses on U.S. federal lands heart-breaking. Others don't. A new report recommends birth control for wild horse populations.

When did turtles get their shells?

A new study suggests that turtle shells began to evolve 260 million years ago. That's 40 million years earlier than previously thought.

Scarred landscape in Oklahoma from May 20 tornado

Track left behind by ES-5 Moore-Newcastle, Oklahoma tornado on May 20, 2013. The tornado took at least 24 lives, injured hundreds and damaged 13,000 structures.

El Reno tornado on May 31 now widest ever recorded in U.S.

El Reno, Oklahoma tornado on May 31, 2013 is now widest ever recorded in the U.S. at 2.6 miles (4.2 km) wide, according to the National Weather Service.

The relentless exploitation of Asian Giant Lizards

A new study reveals that the illegal harvesting and trading of Southeast Asian monitor lizards - valued for their skins and as pets - continues.

If you made a sphere of all Earth’s water, how big would it be?

Earth is the water planet. What if you could take all of the water on Earth and form it into a sphere? How big would it be?