Why Is Comet ISON Green?
Undoubtedly, you’ve been seeing the recent images of Comet ISON now that it is approaching its close encounter with the…
‘Light Echos’ Reveal Old, Bright Outbursts Near Milky Way’s Black Hole
How's that for a beacon? NASA's Chandra X-ray Observatory has tracked down evidence of at least a couple of past…
Japanese ‘Space Cannon’ On Track For Aiming At An Asteroid: Reports
Watch out, asteroid 1999 JU3: you're being targeted. As several media reports reminded us, the Japan Aerospace Exploration Agency (JAXA)'s…
Beautiful Comet ISON Timelapse and Recent Images
This beautiful new view of Comet ISON comes from a collaborative effort between astrophotographers Cliff Spohn in Ohio and Terry…
Watch the Sun Split Apart
Here's your amazing oh-my-gosh-space-is-so-cool video of the day -- a "canyon of fire" forming on the Sun after the liftoff…
Video: Spider Flown in Space Has Trouble Readapting to Gravity
Astronauts have said adapting to weightlessness is much easier than readapting to gravity when they returned to Earth. Muscle weakness,…
Space Trucks! A Pictorial History Of These Mighty Machines
Cargo resupply ships are vital for space exploration. These days they bring food, experiments and equipment to astronauts on the…
How Many Satellites are in Space?
The space age began on October 4, 1957 with the launch of the first artificial satellite, Sputnik 1. This tiny…
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NASA’s Resilient Opportunity Rover Starts Martian Mountaineering
Opportunity starts Martian Mountaineering NASA’s Opportunity rover captured this southward uphill panoramic mosaic on Oct. 21, 2013 (Sol 3463) after…
Titan’s North Pole is Loaded With Lakes
A combination of exceptionally clear weather, the steady approach of northern summer, and a poleward orbital path has given Cassini…