Sign Up for Our Amazing Newsletter!
A daily update by email. Science news, great photos, sky alerts.
Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
Alan Boss: Universe could have lots of Earth-like planets
Alan Boss says the universe could be crowded with rocky planets like Earth - some possibly with water, and even life. Amazing!
October 5, 2009
Two galaxies being stripped of gas and dust
Two galaxies in the Virgo cluster 60 million light-years away are being stripped of gas by a process akin to the wind you feel in your face when bicycling.
September 30, 2009
Scientists can see Mars in 3-D from lander photos
New computer system generates 3-D views of Mars from the Mars Exploration Rovers Spirit and Opportunity photos, enabling virtual tours for scientists.
September 24, 2009
Is there a pulsar at the center of our galaxy?
There appears to be a pulsar - a rapidly spinning dead star - located about a light-year from the black-hole center of our galaxy.
September 23, 2009
GD 50, a runaway star, maybe from Pleiades
GD 50 was born in the Pleiades star cluster, then was flung out, possibly after passing too close to another star.
September 17, 2009
Portrait of Andromeda Galaxy in ultraviolet
If you were on a planet orbiting a star in this Andromeda Galaxy, and could look back our Milky Way galaxy, it's thought our home galaxy would look a lot like this.
September 16, 2009
A solid, rocky world 500 light-years away
This is the first time that the density has been measured for such a small exoplanet, and the measurements suggests a solid, rocky world.
September 16, 2009
Did small galaxies come together to make big galaxies?
Astronomers believe that it's from humble "building blocks" that mighty galaxies like our own Milky Way grew into giants.
September 16, 2009
Black hole, compact, dense, how do they form?
Cygnus X-1, an x-ray source, was one of the first black hole candidates to be discovered. It is thought to contain a black hole orbited by a bright, young star.
September 15, 2009
Can I see our galaxy from Earth?
On a very dark clear night - and if you look in the right direction - you can see a bright region of our own Milky Way galaxy.
September 15, 2009
