February 22
Exoplanet GJ 1214b, Found by NASA's Hubble Telescope, May Be First Super-Earth 'Waterworld'
February 20
When Water Flowed on Mars: Color Shows Valleys Carved Out by Ancient Floods
Why the Moon Has No Active Volcanoes Despite Lots of Magma
February 17
Tornadoes on the Surface of the Sun1
Surprises from SOHO Include Tornadoes on the Sun
Giant "Tornadoes" Seen Erupting from the Sun
February 16
NEOShield: a Preemptive Strike Against Asteroids
2 Earth-Size Planets Born of Battered "Jupiter"?
February 7
Hidden Galaxies May Swarm Near Our Own Milky Way
February 3
New Planet Discovered In Solar System with 3 Suns
Meteor Soars Over Texas Skies
January 31
Incredible Image of 'Black Hole' Shows One of Coldest Places in Universe
January 30
Strongest Solar Flare of 2012 Follows Worst Radiation Storm Since 2003
Forget Global Warming - It's Cycle 25 We Need to Worry About
January 27
Sun Spews X2 Flare
January 26
Another CME Blast Off the Sun
January 25
Breathtaking Aurora Borealis over Fairbanks
January 24
Planes Expected to Reroute Following Massive Solar Eruption
Increased Solar Activity After Strongest Solar Radiation Storm Since 2006
Map Shows Reach of Solar Radiation Storm
January 23
Almost-X Flare and CME Explode Off Sun
Strongest Solar Storm Since 2005 Hitting Earth
January 20
Solar Blast Heading Our Way
Comet's Death Dive into Sun Seen in Detail for 1st Time
January 19
Dwarf Galaxies: Breakthrough in Bid to Find 'Fossils' of Early Universe
January 18
Mars Rocks Fell on Morocco, Scientists Say
January 17
"Earth's Twin" May Be in Our Solar System
January 11
'El Gordo' Is Largest Distant Galaxy Cluster Ever Seen
January 9
How Many Moons Does Earth Have?
