SUNSET: 
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.
Spunky Satellite Unveils Cosmic Explosions
The HETE-2 satellite is helping astronomers cement the link between gamma-ray bursts and supernovae.
Winter Star Party '03: Sunshine, Starlight, and Sweat
Hundreds of astronomy enthusiasts gathered in the Florida Keys last week to socialize, shop, and observe.
Do Globular Clusters Spit Out X-Ray Stars?
A new study suggests that a globular cluster spawned the night sky's brightest X-ray star.
Hubble Tracks a Runaway Black Hole
New observations of a binary black-hole system may shed light as to its origin.
LIGO Comes Alive
The Laser Interferometer Gravitational-wave Observatory is online and listening for black-hole collisions.
Polarized Microwaves Bolster New Cosmology
These scientists are posing beside DASI, a compact 'telescope' that gathers microwave radiation from the universe's infancy. DASI's latest discovery, announced today, adds credence to the new paradigm of an accelerating universe.Courtesy Stephanie Rowatt. By measuring the polarization of the cosmic microwave background radiation — an unprecedented technical achievement —…
Making the Case for Merging Black Holes
Does X mark the spot where two supermassive black holes have melded into one?
Supernovae and Gamma-Ray Bursters: One and the Same?
New evidence strengthens the link between the two most stupendous kinds of cosmic explosions.
