Universe Today
Companion Planet Could Keep Alien Earths Warm In Old Age: Study
Rosetta's Comet Is Too Hot For Complete Ice Surface, Spacecraft En Route Reveals
Hubble Spots Farthest Lensing Galaxy Yet
Surprise! Classical Novae Produce Gamma Rays
NASA Announces Science Instruments for Mars 2020 Rover Expedition to the Red Planet
Numerous Jets Spied with New Sky Survey
This Model Of Earth's Giant Impacts Makes Us Wonder How Life Arose
New Image of Rosetta's Comet Reveals So Much More
If You Mine An Asteroid, Who Does The Property Belong To?
What Are Comet Tails?
Stargazing Timelapse Plus Apollo 14 Launch Soundtrack Is Pure Magic
Early Tidal and Rotational Forces Helped Shape Moon
Mysterious Molecules in Space Named?
ALMA Observes Binary Star System with Wacky Disks
Rocket Replay: Watch Europe's Last Space Station Automated Transfer Vehicle Soar
NASA's First Space-Tweeting Astronaut And 'Big Bang Theory' Guest Flies To A New Position
Scientists Discover 101 Geysers Erupting at Saturn's Intriguing Icy Moon Enceladus
GAIA is "Go" for Science After a few Minor Hiccups
Astrophoto Heaven: Video Time-Lapse Shows Spectacular Sky Above Desert National Park
Astronaut Dance: If We Were Going To Space, We'd Do This Too
X-ray Glow: Evidence of a Local Hot Bubble Carved by a Supernova
Venus Express Survives Close Encounter With Hellish Atmosphere
Book Review: Neil Armstrong - A Life of Flight by Jay Barbree
Observing Alert - Delta Aquarid Meteor Shower Peaks This Week
The Little Rover that Could: Opportunity Reaches Odometer Milestone
When Good Meteor Showers Go Bad: Prospects for the 2014 Perseids
Annual Atlanta Star Party Coming Soon!
Carnival Of Space #364
NASA Spacecraft Is Now Buzzing Mercury 62 Miles Above The Surface
How Do Gravitational Slingshots Work?
Balloon Garden: Japanese Artist Flies Bonsai Tree And Plants High Above Earth
A Whole New World: How NASA Helps You 3-D Print The Universe
Cool Infographic Compares the Chemistry of Planetary Atmospheres
Comet Jacques Makes a 'Questionable' Appearance
James Webb Space Telescope's Giant Sunshield Test Unit Unfurled First Time
NASA Preps for Nail-biting Comet Flyby of Mars
Having Fun with the Equation of Time
Watch Live: 'Mars' Crew Emerges From Simulation After 120 Days
Astronaut Spots Violence Over Gaza, Asks What Extraterrestrials Would Think
Video: Warp Into A Star Nursery 3,000 Light Years Away
Mapping Dark Matter 4.5 Billion Light-years Away
To Help Mars Rovers Phone Home, NASA Asks For Ideas To Close Looming Communications Gap
Apollo 11 Splashdown 45 Years Ago on July 24, 1969 Concludes 1st Moon Landing Mission - Gallery
Hubble Finds 3 (Relatively) Dry Exoplanets, Raising Questions About Water Outside The Solar System
Neck Of Rosetta's 'Rubby Duckie' Comet Shows A Bright Ring
Risk Reduction Milestone Tests Move Commercial Dream Chaser Closer to Critical Design Review and First Flight
Ultra-Deep Astrophoto: 75 Hours of the Antenna Galaxies
Split-Personality Pulsar Switches From Radio To Gamma-Rays
Video: A Dizzying, Whirly View Of The Earth From Space!
'Weak' New Meteor Shower Due To Fragile Comet Dust
