Science

Center of the Milky Way has thousands of black holes, study shows
The supermassive black hole lurking at the center of our galaxy appears to have a lot of company, according to a new study that suggests the monster is surrounded by about 10,000 other black holes.
In Facebook we trust(ed)
Facebook CEO Mark Zuckerberg will testify before Congress on April 11 at a hearing about data privacy. The company has been slow to enact meaningful privacy reforms. Will this hurt Facebook's image?
Watch: See how leeches can be a surgeon's sidekick
The idea of using leeches to treat ailments is ancient -- and no longer in favor. But now these blood-suckers are gaining new respect as a doctor's helper during surgery.
Grindr admits it shared HIV status of users
The same-sex dating app now says it will stop sharing the information after acknowledging two companies it hired to analyze usage had access to encrypted forms of the data.
Scientists say you may live longer by severely restricting calories
Scientists have long been fascinated with whether dramatically restricting the amount of food we eat can help us live longer. New research suggests it might, but the question is, is it worth it?
Chinese space lab crashes to Earth
Tiangong-1, an abandoned Chinese orbiting lab, re-entered the atmosphere over the South Pacific Ocean Sunday evening, fulfilling predictions by the European Space Agency.
Saturday's blue moon will be the last until 2020
Saturday is your last chance this year, in fact your last chance until 2020, to see the astronomical event known as a blue moon. So make sure you get out and see it -- even if it's standing alone, without a dream in your heart.