Hollywood has a habit of doubling up. Here are ten cases of "twin films," where similar movies hit theaters within months of ...

The planet is almost 25,000 miles around and 4.54 billion years old, and humans are still discovering some of the amazing ...

Located in north-west Ethiopia, near the border with Eritrea, the Danakil Depression lies deep within the Afar region and is ...

There are years that leave a mark on the calendar and years that leave a mark on everything else. 1816 was the latter. Across the Northern Hemisphere, spring arrived and then summer simply didn't ...

There, it formed a broad, shallow lake east of where the Grand Canyon would later take shape. Over time, around 5.6 million years ago, the water that had accumulated in this lake began to overflow, ...

Elam worked for the network for more than two decades, covering stories from market crashes and weather disasters to red ...

Scientists believe they found fresh proof of an ancient ocean on Mars in the form of a “bathtub ring” it left after it dried ...

Sitting at 4,091 feet, Kilauea volcano shot lava fountains reaching up to 800 feet into the air on April 9, a ...

How scientists risked everything on a completely untested, wildly destructive tactical operation to forcefully alter the ...

While Weekend 1 saw a more modest turnout, the Sahara crowd grew noticeably by Weekend 2, with fans spilling beyond the tent ...

The road up the north face of Mount St. Helens is getting repaired, three years after a massive landslide ripped away a chunk ...