Hao Li

The entire species of polar bears descended from one single brown bear that lived in Ireland 20,000 to 50,000 years ago (roughly the peak of the earth's last ice age), according to a study published in Current Biology.

The Atlantis Space Shuttle is set to launch today at 11:26 a.m. EDT. This historic flight, the last of the Space Shuttle program, will be watched by thousands of people in Florida and many more remotely online and on TV.

Stem cells injections into the heart can help with agina pectoris (chest pain caused by the obstruction of coronary arteries) when medication, surgery, and angioplasty have failed, according to a new study published in the American Heart Association journal Circulation Research.

When Facebook announced its video calling feature in partnership with Skype, Skype CEO Tony Bates said it was his goal that video chat becomes ubiquitous through Facebook's large reach

Andemariam Teklesenbet Beyene really needed a new windpipe because of his late stage tracheal cancer. If he didn't get one, he would die.

Facebook's awesome announcement is a video chat in partnership with Skype. It's a pretty impressive product and work of engineering because it's just so easy to use

Games are wildly popular on smartphones like Google's Android, Apple's iPhone, and to a lesser extent RIM's Blackberry.

Android, Apple, and RIM represent 90 percent of the US smartphone market share. What do people use their smartphones for?

Jurors of the Casey Anthony trial felt sick to [their] stomachs after they acquitted Casey Anthony.

Amazon has stepped up its product offering in the frontier market of cloud services.

The Atlantis Space Shuttle launch may not happen on the planned time of 11:26 a.m. ET July 8 due to the weather.

A Saturn storm is raging across the planet, covering 1.5 billion square miles or 8 times the surface area of the earth.

The skeletons of a car-sized giant wombat have been discovered in northern Australia. Although scientists already knew the existence of this species, the skeletons found were the most complete ever.

The historic Atlantis Space Shuttle launch on July 8 will likely be derailed by weather, according to NASA.

Mark Zuckerberg created some buzz last week by promising an awesome Facebook announcement. That announcement, it turns out, is a video chat built into Facebook. The video technology is powered by Skype.

The Naked Mole Rat is arguably the hardiest mammal on earth. Now, scientists have sequenced its DNA in order to unlock its secrets.

comScore has the latest stats for the fierce smartphone OS war. Google's Android is still number one and Apple is still improving. RIM's Blackberry, however, is hurting badly.

The Casey Anthony verdict of 'not guilty' shocked many people, especially given the media coverage that defense attorney Jose Baez was losing it by throwing out crazy theories.

Google's Android phones continued its march to dominance. For the three months ended May 2011, it has 38 percent of the US smartphone market share, up from 33 percent in February 2011.

The Casey Anthony trial exploded on Twitter as everyone had something to say about the 'not guilty' verdict. Most of the tweets expressed outrage and disbelief. Entenmann's and OJ Simpson were also dragged into the outpouring.

The Casey Anthony verdict is 'not guilty.' Holding hands with her attorney and mother Cindy Anthony, Casey Anthony received the fortunate news.

The Chinese burning of coal may explain why global warming has halted in the last 10 years, according to a study published in the Proceedings of the National Academy of Sciences (PNAS).

Whenever you desperately want something, criminals have always come up with ways to rip you off. It's a practice as old as time.

Script Kiddies, the latest splinter group from Anonymous, made its public debut by hacking a Fox News Twitter account and posting bogus tweets that proclaimed Barack Obama's assassination (which never happened).

The famous July 4th fireworks in NYC is one of the biggest and most beautiful events in the city.

Joey Chestnut has dominated the famous Nathan's Hot Dog Eating Contest once again.

July 4th is upon us and it's time for some fireworks.

The July 4th fireworks in Long Island promises to be spectacular, luring many Long Islanders to choose them over the New York Macy's fireworks.

A Fox News Twitter account was hacked. On Monday, @foxnewspolitics tweeted out a series of disturbing messages claiming that Barack Obama was dead.