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Full Moon on Friday Is a Blue Moon: Here's Why

• First Alien Auroras Found, Are 1 Million Times Brighter Than Any On Earth
• Mystery Solved? Why Pluto's Big Moon Charon Has a Red Pole
• Full Moon on Friday Is a Blue Moon: Here's Why
• Stunning Photo Shows SpaceShipTwo Pilot Parachuting to Earth After Crash
• NASA's Next Megarocket Could Launch Mission to Europa
• Image of the Day
• Dwarf Planet Ceres' Mountains and Craters Get Names in NASA Maps
• Deadly SpaceShipTwo Crash Caused by Co-Pilot Error: NTSB
• NASA's Curiosity Rover Eyes Weird Rock On Mars
• SpaceShipTwo Crash - Sir Richard Branson Responds To NTSB Report | Video
• SpaceShipTwo - Catastrophic Failure Moment | Video
• 'Trillion-Dollar Asteroid' Zooms by Earth as Scientists Watch (Video)
• Ancient Huts May Reveal Clues to Earth's Magnetic Pole Reversals
• Neil Armstrong Spacesuit Funded, Smithsonian Takes Next 'Giant Leap' on Kickstarter
• Giant Crater on Saturn Moon Tethys Dazzles in Spectacular Photo
• Lost In Space Without a Spacesuit? Here's What Would Happen (Podcast)
• 'Blue Moon' History and What Can Actually Turn It Blue | Video
• NASA's Epic Pluto Flyby Almost Didn't Happen on Time
• How the Pluto Team Survived a Decade of Waiting
• Strange Bright Spots on Ceres Create Mini-Atmosphere on Dwarf Planet
• 'Star Trek: Axanar' Fan Film Wants to Recruit George Takei

TECH / See Latest »

Stephen Hawking on Reddit: Ask Him a Question on Artificial Intelligence

• How Robots Could Build a Radio Telescope on Far Side of the Moon
• How ‘A Pac-Man' Satellite Will Gobble Up Space Debris | Video
• NASA's Wild 'Windbot' Concept Aims to Sail in Jupiter's Sky

SPACEFLIGHT / See Latest »

Weightless Antacid Globule Fizzes In Free Fall | Video

• Virgin Galactic Introduces Their Pilot Corps | Video
• SpaceShipTwo Crash: Co-Pilot Triggered Failure, NTSB Says | Video
• How To Drive The Lunar Reconnaissance Orbiter | Video

SCIENCE & ASTRONOMY / See Latest »

How Do Ultra-Dense Galaxies Form? | Simulation

• Mysterious Blood Red Streaks On Saturn’s Moon Detected | Video
• 'Bathtub Rings' On Saturn Moon Titan Suggest Dynamic Seas
• Nova Blast Site Reveals Lithium In Astronomical First | Video

SEARCH FOR LIFE / See Latest »

Exoplanet Finds Keep Rolling in from Kepler Spacecraft Despite Glitch

• WATCH LIVE @ 8 pm ET Saturday: Slooh Webcast on 'Earth Cousin' Exoplanet Kepler-452b
• NASA Finds Closest Earth Twin Yet in Haul of 500 Alien Planets
• NASA Unveiling New Exoplanet Discovery from Kepler Telescope Today

SKYWATCHING / See Latest »

Beautiful Photo of New Moon Evokes 'Star Wars' Cloud City

• Dwarf Planet Ceres Reaches Opposition in Night Sky
• Highly Anticipated August Meteor Shower And More | Skywatching Video
• How to See Meteor Showers This Summer

ENTERTAINMENT / See Latest »

Space Lands in the Big Apple at NYC Museum's Festival

• NASA's Pluto Flyby Gets Funky in This Awesome Music Video
• The Space Age Invades Marvel's Cinematic Universe
• Watch Stephen Colbert Talk Pluto Flyby with Neil deGrasse Tyson (Video)

IMAGE ALBUMS / view all »

• 
  Photos: Dwarf Planet Ceres, the Solar System's Largest Asteroid
• 
  Gallery: Space Junk Cleanup by CleanSpace One Satellite
• 
  Launch Photos: US Air Force's Wideband Global SATCOM 7 Blasts Off

REFERENCE ARTICLES / view all »

• 
  Globular Clusters: Dense Groups of Stars
• 
  Dwarf Planet Pluto: Facts About the Icy Former Planet
• 
  What Is the Big Bang Theory?

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