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Space shuttle Discovery and it’s legacy
NASA talks about the legacy of space shuttle Discovery, piloting the mission that launched the Hubble Space telescope, and what's next for human spaceflight.
March 21, 2011
Forecast: Spring rains on Saturn’s moon
NASA’s Cassini spacecraft found evidence of spring rains around the equator of Saturn's largest moon, Titan.
March 20, 2011
MESSENGER becomes first craft to orbit Mercury
On Thursday, March 17, 2011, the MESSENGER spacecraft will become the first space probe to enter orbit around the innermost planet of our solar system, Mercury.
March 17, 2011
Supermoon and the Japan massive earthquake
Did a supermoon cause the massive 8.9-magnitude earthquake and deadly tsunami in Japan on March 11, 2011? No. But supermoons can cause flooding along coastlines.
March 11, 2011
Shuttle Discovery gets wake-up call from William Shatner
The crew of space shuttle Discovery got a special wake-up call this morning from actor William Shatner of Captain Kirk fame from the TV series Star Trek.
March 7, 2011
Rocks on Mars may represent habitable environment
Rocks on Mars from its early history – almost four billion years ago - suggest there might have been a habitable environment underneath the surface of the planet.
March 2, 2011
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
