Quirky pulsar system discovered at Arecibo challenges theories of binary formation

A comparison of the orbits of the pulsar J1903+0327 and its possible sun-like companion star with the orbit of the Earth around the sun. The objects' sizes are not to scale. Bill Saxton, NRAO/AUI/NSF


Space voyaging rock reveals insight into detecting life on other planets

Oct 02, 2008
Photo courtesy R. Demets/F. Brandstatter - Spacecraft after landing in Kazakhstan after the experiment. Samples, including Orkney sample, are screwed onto the outside.

A Star That Bursts, Blinks and Disappears

Sep 30, 2008
This illustration shows a flare from magnetar Swift J195509+261406. A starquake is probably what triggered the object's 40 optical flares. Credit: NASA/Swift/Sonoma State University/A. Simonnet

Hubble Snaps Close-up Views of Diverse Galaxies

Sep 30, 2008
These images taken with NASA's Hubble Space Telescope are close-up views of four galaxies from a large survey of nearby galaxies. The galaxies have very different masses and sizes and showcase the diversity of galaxies found ...

Oldest Known Rock on Earth Discovered

Sep 26, 2008
Bedrock along the northeast coast of Hudson Bay, Canada, has the oldest rock on Earth. Credit: Jonathan O'Neil

Astronomers discover dusty remains of two terrestrial planets

Sep 24, 2008
An artist's rendering depicts planets colliding in a sun-like binary system about 300 light-years from Earth, in the constellation Aries. Artwork by Lynette R. Cook.