Improve Your Night Vision: Spectacles for Spectacular Skies
Have you ever felt that you ought to be able to see more in the night sky using just your unaided eyes? You may need nothing more than a new pair of eyeglasses.
How to Catch an Iridium Flare
These communications satellites can briefly outshine Venus as they spray the ground with reflected sunlight.
Astro Image in the News: Spitzer Spies Monoceros Nebulosities
The Spitzer Space Telescope has produced a magnificent mosaic of the Christmas Tree Cluster.
A Short-Lived Spiral?
Will M77's pinwheel pattern soon wind its way out of existence?
Astro Image in the News:
Hubble Dissects the Crab
Astronomers have unveiled a super-sharp mosaic of this singular stellar corpse.
The Universe's First Starlight?
Light from the first stars may lurk within a 10-hour Spitzer Space Telescope image of the constellation Draco.
A Galaxy-Free Galaxy Nucleus?
The Hubble Space Telescope has uncovered an apparently naked quasar.
Massive Star in the Making
A recently completed radio-telescope array has found tantalizing evidence that nature makes big stars and little ones the same way.
Dark Days for Dark Energy?
Some say no new mystery force is needed to explain why the universe's expansion is speeding up.
Astro Image in the News:
Hubble Spies Twisted Spiral
unveiled this stunning image of NGC 1300, the 10th-magnitude barred spiral some 69 million light-years distant in the constellation Eridanus.
A Newfound Globular Cluster
The Spitzer Space Telescope has revealed one of the closest globulars known.
Gamma-Ray Bursts Next Door?
Astronomers have found Gamma-Ray bursts coming from closer places than ever before seen.
Chandra Snaps Superbubbles in Galaxy Cluster
This false-color image from the Chandra observatory depicts X-rays emanating from multimillion-degree gas within Abell 2597. The central hot spot marks the heart of the cluster's dominant galaxy, which contains a supermassive black hole. New research suggests that the dark void near the cluster's edge is a long-lived bubble that…
Novel Telescope Array Achieves Milestone
Historic Mt. Wilson is once again at the forefront of astronomical research.
Sagittarius Dwarf Galaxy Spans the Sky
It seems that the shredded remains of the Sagittarius dwarf galaxy encircle the Milky Way.
X-Ray Flashes Find a Home
Are brief flashes of X-rays from random points in the sky related to gamma-ray bursts and exploding stars?
All Eyes on Eta Carinae
Astronomers worldwide are observing around the clock right now to crack this superbright star's mysteries.
Every Galaxy an Active Galaxy?
Even the quietest galaxies today hold central black holes that roared and blazed when fed in ages past.
Chandra Spies Shock Front in Stephan's Quintet
The Chandra X-ray Observatory turns its eye toward the aftermath of a high-speed galaxy collision.
Hubble's New Camera Snags First Supernovae
Hubble's newest camera has joined the hunt for exploding stars billions of light-years away.
