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We are not the center of the universe
We are not the center of the universe, as the size comparison in this video shows. See Earth compared to other planets and stars in our universe in a compelling way.
February 23, 2011
Mike Brown explains why he killed Pluto
Astronomer Mike Brown talked with EarthSky about his book, Why I killed Pluto and Why It Had It Coming. Read more about Mike and Pluto here.
February 21, 2011
Aurora alert for northern latitudes Feb. 17-18, 2011
Aurora alert! People at high latitudes, including the northern U.S., might have a good chance to see the aurora - northern lights - the nights of February 17 and 18, 2011.
February 17, 2011
Our sun in 3D, for first time in human history
The two NASA STEREO space probes moved into position on opposite sides of the sun on Feb. 6, 2011, to give us the first-ever look at both sides of the sun at once.
February 6, 2011
Northern Mars forecast: wind and shifting sands
NASA's Mars Reconnaissance Orbiter has revealed Mars as a dynamic world of wind and shifting sands. Will we be able to resist going there?
February 3, 2011
This object is farther away than any seen before
Astronomers say this object is farther away and farther back in time than any seen before. It's name is UDFj-39546284. Read more here.
January 26, 2011
An amazing picture of Enceladus, the frozen moon
Another amazing image of Enceladus, the frozen moon of Saturn, from NASA's Cassini spacecraft. The stripe in the background is Saturn's rings.
January 24, 2011
3 images of Phobos from Mars Express spacecraft
Three new images of Mars' moon phobos - all taken on January 9, 2011 - are intriguing for entirely different reasons.
January 24, 2011
Orion Nebula in beautiful new image
Igor Chekalin of Russia selected the data used for this ethereal image of the Orion Nebula, as part of the Hidden Treasures 2010 competition of the European Southern Observatory.
January 19, 2011
Cats – and other animals – in zero gravity
This vintage U.S. Air Force video shows cats floating in zero gravity. This video appears to be going viral today ...
January 17, 2011
