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Alpha Centauri Gets a New Moniker as 227 Star Names Are Clarified
NASA X-Ray Tech Could Enable Superfast Communication in Deep Space
Adrift! Art Project Focuses on Troublesome Space Trash
Supermoon Party! Space Fan Helps Inspire New Skywatchers (Photos)
Flashback: Comet ISON's Perilous 'Death Dive' Around The Sun | Video
Fire In Space! Saffire Mission Conducts 2nd Round Of Tests | Video
Superbright Radio Burst Illuminates the Intergalactic Web
SpaceX Investor Joins Trump Defense Transition Team
Nat Geo 'Mars' Series Explores Making a Home on the Red Planet
Spire Deploys Four Small Satellites from Cygnus Cargo Ship
The Most Amazing Space Photos This Week!
Under the Stars: Photographer Captures Stunning Taurid Meteor
Best Telescopes for the Money
The Best Space Gifts and Toys for Kids
Check Out This Jaw-dropping Image of Jupiter and the Moon
The Best Gift Ideas in the Universe
Mars Ice Deposit and Thanksgiving in Space: Week's Top Space Stories
Photographer's Deepest Sky View Reveals a Stunning Triangulum Galaxy
Twinkling Stars: Skywatcher Snaps Stunning View of Pleiades Star Cluster
Incredible! Milky Way Shines Through a Midnight-Blue Sky (Photo)
Notes from Mars 160: The Science Work We're Doing
Image of the Day
Watch Out for the Winking Eye of the Demon Star
Tech
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Tiny 'Black Magic' Satellite Packs Origami-Like Radar Dish
Test of 'Impossible' EmDrive Space Engine Passes Peer Review
Telling Time in a Flash: Optical Clock Tested in Space for 1st Time
How Recycled Astronaut Pee Boosts Chances for Future Deep-Space Travel
Spaceflight
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Mars 160 Coverage: Training for a Manned Mission to Mars
Vector Space Raises Additional Funds to Support 2017 First Launch
'Standards and Norms' Needed in Space, Pentagon Experts Say
Thanksgiving in Space: Astronauts Will Be Working and Feasting
Science & Astronomy
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Cassini Begins Saturn Ring Dives, Kicks Off Mission Finale
Galaxy Gobbles Up Its Neighbors, Explodes with Stars (Photo)
19 'Heartbeat' Stars Mapped — Most Ever in Single Study
Europe's New Mars Orbiter Begins Testing Science Gear
Search for Life
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Aliens Are Never the Answer
Did NASA Mars Rover Find a Signature of Past Life?
Unexpected 'Arrival': Humanity's Not Ready for Aliens
Electronic E.T.: Intelligent Aliens Are Likely Machines
Skywatching
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Looking In: Skywatcher Captures Wide-Field View of Helix Nebula
The Thanksgiving Sky: Jupiter and the Moon Meet Up Early Thursday
Buying Your First Telescope? What You Need to Know
Astronomy Gear Guide: Tools, Tips and Tricks to Stargaze Like a Boss
Entertainment
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The Best Gift Ideas - 2016
Best Space Books and Sci-Fi: A Space.com Reading List
Best Astronomy and Astrophysics Books
Nat Geo Channel's 'Mars' Shows Hazards of Human Spaceflight
Image Albums
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Photos: Dwarf Planet Ceres, the Solar System's Largest Asteroid
GOES-R/GOES-16: A Powerful Weather Satellite in Pictures
Launch Photos: Russian Rocket Launches Expedition 50/51 Crew to International Space Station
Reference Articles
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Maria Mitchell: Astronomer & Feminist
Henrietta Swan Leavitt: Discovered How to Measure Stellar Distances
Annie Jump Cannon: 'Computer' Who Classified the Stars
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