Astronomy
Echos of Light
The strange variable star V838 Monocerotis flared up nearly 5 years ago, and astronomers have been trying to figure out…
Stellar Explosion Has Many Layers
A new photograph from the Spitzer Space Telescope shows how supernova remnant Cassiopeia A evolved over time. The original star…
Baby Galaxies Weighed by Spitzer
Astronomers have discovered two of the most distant galaxies ever seen, when the Universe was only 700 million years old.…
Young Star Grows Up Quickly
New images from the Japanese Subaru telescope show how a nearby young star ended its infancy rapidly. The star, called…
Nearly a Thousand Years After the Death of a Star
In 1054 A.D., Chinese astronomers recorded the temporary brightening of a star in the constellation Taurus. Nearly 1000 years later,…
Globular Clusters Sort their Stars
Globular clusters are regions of space where stars are densely packed together - 10,000 times more dense than our local…
Brown Dwarf Companion Seen Directly
Astronomers have directly imaged a brown dwarf companion to the star HD 3651. This star is already known to host…
Another Galaxy Smashed Through Andromeda 200 Million Years Ago
Astronomers have gathered evidence that the Andromeda Galaxy collided with dwarf galaxy M32 about 200 million years ago. The evidence…
Colliding Spiral Galaxies Captured by Hubble
This Hubble photograph shows two spiral galaxies colliding together. Known as the Antenna Galaxies, aka NGC 4038-4039, these two galaxies…
Gas Bubble Photo Wins NRAO Prize
A beautiful photograph taken by Jayanne English and Jeroen Stil has won a $1,000 prize from the National Radio Astronomy…