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Russian cosmonaut Gennady Padalka is the new king of space after breaking the old record of 802 days.
If the two black holes meet, they could release as much energy as 100 million supernova explosions as they shatter their galaxy, a new study finds.
Carl Sagan's legacy makes a return in a major television event happening in 2014.
Hubble has taken a photo of what seems to be a smiling cartoon face in the depths of space -- an effect produced by a phenomenon known as gravitational lensing.
Carl Sagan famously said that the death of ancient stars helped to create us. Huh? Here's a quick primer on what he meant.
The famed astrophysicist says there's a reason some chemical elements are named for places in the US -- and that we don't have to leave those glory days in the past.
Wear comfortable shoes. Pen and paper will be provided. Crave contributor Kelsey Adams explains how she became trapped forever in a spatiotemporal distortion, and maybe so could you!
Unlike most locator apps, this one doesn't drain your battery or require friends to install or sign up for anything. Genius!
Now billions of people on our "Pale Blue Dot" can take a look at the historical letters, studies, and musings of pioneering space scientist Carl Sagan.
At nearly half the price of a suborbital flight, Romain Jerome's latest slab of luxury has sci-fi styling, moon dust, and Apollo 11 bits. But no spacesuit.