Nanedi Valles on Mars
This image, taken by ESA's Mars Express spacecraft, shows the Nanedi Valles region of Mars. These steep sided channels range…
Starburst Galaxy M82 by Hubble
Cigar galaxy M82 captured by Hubble. Image credit: NASA/ESA/STScI. Click to enlarge To celebrate 16 years of observations by the…
Astrophoto: The Ring Nebula by Stefan Heutz
The Ring Nebula by Stefan Heutz. Click to enlarge When stars similar to our Sun have exhausted their nuclear fuel,…
What’s Up This Week – April 24 – April 30, 2006
M3 - Credit: S. Kalfa and K. Honeycutt/Indiana University/WIYN/NAOA/NSF Greetings fellow SkyWatchers! If you haven't had a chance to observe…
Cloud of Debris Around Beta Pictoris
A scientifically accurate model of Beta Pictoris and its disk. Image credit: NAOJ. Click to enlarge The disks of gas…
The Birth of the Biggest Stars
Massive star forming region as seen by ISO. Image credit: ESA. Click to enlarge Astronomers have used ESA's Infrared Space…
A History of the Universe Written in Gamma Rays
Effects of the extragalactic background light on the gamma emission by a quasar before reaching Earth. Image credit: HESS Collaboration.…
Astro Apocalypse Won’t Happen Here
The afterglow of GRB 030329 (white dot in center of image). Image credit: ESA/NASA. Click to enlarge Since gamma ray…
Tumbling Neutron Star
Pulsar RX J0720.4-3125 captured by XMM-Newton. Image credit: ESA/MPE. Click to enlarge ESA's orbiting X-ray telescope, the XMM-Newton space observatory,…
Sites to Look for Life on Mars
OMEGA instrument has identified clay beds which supported life in the past. Image credit: ESA/OMEGA. Click to enlarge ESA's Mars…