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Brown dwarf weather revealed by surface mapping
For humans, brown dwarf weather will always be rated as "extremely inclement" with temps of 2,000 degrees F (1,100 C) and clouds made of minute droplets of molten iron.
January 29, 2014
River of hydrogen flowing through space
A faint, tenuous filament of gas streaming into galaxy NGC 6946. It might help explain how some spiral galaxies keep up their pace of star formation.
January 28, 2014
Chinese moon rover Yutu is in trouble
The little robotic explorer is China's first on the moon. The Chang'e 3 that carried it set down in December. The rover might not survive the lunar night.
January 28, 2014
Largest asteroid Ceres is venting water vapor into space
This is the first unambiguous detection of water vapor around an object in the asteroid belt.
January 23, 2014
Images of closest supernova in years, in galaxy M82
You'll understand why astronomers say a supernova can outshine a whole galaxy.
January 23, 2014
Video: The known universe
Check out a video simulation of the known universe, as mapped through astronomical observations.
January 22, 2014
Rosetta is awake!
Wake-up began at 10 UTC this morning, triggering changes aboard the spacecraft that would result in its antenna sending a signal our way. Signal received!
January 20, 2014
R.I.P. John Dobson
John Dobson is a hero to all who love astronomy, telescopes, and astronomy for the public.
January 16, 2014
Starting fire with water
Astronauts on the ISS are experimenting with "supercritical water," a form of water with a strange property: it can help start fire.
January 13, 2014
These stars are so fast they can escape the Milky Way
These sun-like stars that are moving at speeds of more than a million miles per hour relative to our galaxy - fast enough to escape its gravitational grasp.
January 13, 2014
