Yuri Milner, who backed Facebook and Twitter, says his search for extraterrestrial life is in "listening mode."
Technically Incorrect: Funded by billionaire Yuri Milner, the project will be listening very hard for alien noises, with Hawking and other scientists in support.
Watch Wil Wheaton guide Hank Green, Alison Haislip, Laura Bailey and Yuri Lowenthal through the dangerous world of Valkana in the new RPG web series "Titansgrave."
At an inaugural presentation event at UCSF, the tech luminaries who sponsored the $33 million Breakthrough Prize in Life Sciences say they want to turn scientists into heroes.
An auction on September 13 will see the sale of 104 pieces of memorabilia from the Soviet space program, including a cognac bottle signed by Yuri Gagarin.
At Yuri's Night Education Day, NASA opens the hangar doors to the spirit of enthusiastic education.
Today's Google doodle -- the company logo on Google's home page -- and a new documentary commemorate the 50th anniversary of Yuri Gagarin becoming the first man in space.
On April 12, 1961, the Soviet cosmonaut became the first human to go into space. It took the Americans another year to put a man into orbit. Fifty years later, Gagarin's fame is as bright as ever, and he may be one of the few Soviets to retain his star power.
On April 12, 1961, an unknown Soviet flight major became the first man into space. The rest is history.
At the NASA Ames Research Center in Mountain View, Calif., revelers mark Yuri's Night, an annual worldwide party that celebrates Soviet cosmonaut Yuri Gagarin's first flight into space.