Astronomy
Supernova Remnant Isn’t Dusty Enough
Dusty supernova remnant. Image credit: NASA/JPL-Caltech. Click to enlarge A supernova remnant in the Small Magellanic Cloud is only 1,000…
Extreme Galaxies Help Explain the Early Universe
The center of our Milky Way galaxy. Image credit: NASA. Click to enlarge Astronomers are studying nearby "luminous infrared galaxies"…
Most Distant Galaxy Cluster Discovered
An international team of astronomers have used ESA's XMM-Newton X-Ray observatory to image the most distant galaxy cluster ever seen.…
Hundreds of Distant Galaxy Clusters Discovered
Distant clusters of galaxies. Image credit: NASA/JPL-Caltech. Click to enlarge NASA's Spitzer Space Telescope has turned up 300 galaxy clusters…
Gravitational Lenses Look at Infant Galaxies
The massive cluster Abell 2218. Image credit: JHU/STScI. Click to enlarge When regular telescopes aren't powerful enough, astronomers turn to…
Miniature Solar Systems Possible
An artist's impression of a miniature solar system circling a planemos. Image credit: Jon Lomberg. Click to enlarge Instead of…
Spitzer View of Andromeda
The Andromeda galaxy. Image credit: NASA. Click to enlarge NASA's Spitzer space telescope has taken a new mosaic image of…
What’s Up – 365 Days of Skywatching… the Blog
Tammy Plotner's What's Up articles and book have been so successful, I've decided to spin the column off as a…
Two Stellar Futures
New images from the Gemini telescope show two paths stars can take as they near the end of their lives.…
Neutron Star With a Tail Like a Comet
Supernova remnant IC 443. Image credit: Chandra X-ray. Click to enlarge This beautiful image shows the supernova remnant IC 443.…