Shark Week 2013 brings new sharks and live talk shows

Shark stories, tweets, a Google hangout, comedy talk shows - and why it's a bad week for a seal named Snuffy - in Discovery's 26th annual Shark Week.

This date in science: First U.S. patent issued

The first U.S. patent was for a new method of making potash, an early industrial chemical, used to make soap and other products.

Incredible videos of a tornado striking near Milan, Italy

Incredible must-see footage of a tornado sweeping near Milan, Italy on July 29, 2013.

A hippie’s defense of GMOs

"I'm a crazy hippie. I go to Burning Man every year ... I have a pretty solid understanding of how genes work. And ultimately, I'm just not that scared of GMOs." - SaulofHearts

Tropical Storm Flossie pushing into Hawaii

If Flossie hits the Big Island as a tropical storm, it will be the first tropical storm to strike Hawaii directly since 1958. Heavy rains, gusty winds, mudslides, dangerous surf.

Could a full moon be to blame for a poor night’s sleep?

Scientists working in Switzerland say they have "some of the first convincing scientific evidence" that the full moon interferes with sleep.

This date in science: “I am Jeremiah Dixon”

With Charles Mason, he established the Mason-Dixon line, which later marked a cultural boundary between the U.S. North and South.

An environmentally friendly battery made from wood

Scientists have developed a battery made from a sliver of wood coated with tin that shows promise for becoming an environmentally friendly energy source.

For a healthy brain, don’t let the trash pile up

A study using rat cells indicates that clearing out defective proteins in the brain quickly may prevent a loss of brain cells.

Official trailer for Neil deGrasse Tyson’s re-release of Cosmos

Neil deGrasse Tyson's version of the classic Cosmos series will be coming to a TV screen near you in 2014.