A Rare Opportunity to Watch a Blue Straggler Forming

11 years ago

A unique and enigmatic variety of stars known as blue stragglers appear to defy the normal stellar aging process. Discovered…

Weird Tracks on Mars Could be Caused by Moving Dry Ice

11 years ago

Extreme sports taking on place on Mars? How about snowboarding – or actually sandboarding --down Martian dunes on a cushion…

Space Observatories Watch a Black Hole Go Dormant

11 years ago

The Chandra X-ray Observatory has been keeping an eye on a black hole actively munching away on gas at the…

SpaceX Fires Up Falcon 9-R in a Long Duration Test

11 years ago

Last week, SpaceX fired up a new version of the Falcon 9 for a short 10-second test fire. Now, they've…

‘Space Class’ Among Aims of Chinese Taikonauts Who Left Earth Today

11 years ago

Riding atop a fiery Long March rocket, three taikonauts blasted off from Earth today (June 11) to kick off an…

Astrophotos: Crescent Moon, Mercury and Venus Together in the Sky

11 years ago

Last night (June 10, 2013) the two innermost worlds of our Solar System visible were joined by a very slender…

Cassini Captures Saturn’s Darkest Rings

11 years ago

The closest to the planet itself, the hazy arcs of Saturn's D ring may lack the reflective brilliance and sharply-defined…

Opportunity Rover Discovers Martian Habitable Zone Favorable for Pre-biotic Chemistry

11 years ago

On the cusp of the 10th anniversary since launching to the Red Planet, NASA’s long lived Opportunity rover has discovered…

Ten Interesting Facts About Saturn

11 years ago

This article comes from our archive, but we updated it with this video. Saturn is my absolute favorite object in…

Chris Hadfield Hangs Up His Astronaut Suit

11 years ago

In a somewhat surprise announcement, Canadian astronaut -- and social media icon -- Chris Hadfield announced his retirement from the…