Less Than a Week Remains Before NASA's Biggest Rover Yet Lands on Mars By Denise Chow NASA's Curiosity rover will touch down on the Red Planet on the night of Aug. 5.
Next Space Station Crew to Try 'Fishy' Science By Denise Chow Three astronauts will launch to the International Space Station on Oct. 15.
Most Massive Stars Live as Vampires in Close Stellar Pairs By Denise Chow The results have implications for how astronomers understand the evolution of galaxies.
Inflatable Heat Shields Could One Day Land Astronauts on Mars By Denise Chow NASA tested a heat shield prototype that could be used on next-generation spacecraft.
New Mars Rover Could Far Outlive Its Lifespan By Denise Chow NASA's new Mars rover could survive on the Martian surface for five or six years, agency officials estimate.
Space Shuttle Enterprise Wows New Yorkers at Intrepid Museum By Denise Chow The Intrepid Museum's Space Shuttle Pavilion officially opened to the public today.
NASA's Newest Mars Rover Is Biggest and Best Yet By Denise Chow NASA's Curiosity rover is the biggest and most advanced robotic explorer ever sent to Mars.
Mars Odyssey Spacecraft Will Recover From Recent Glitch, NASA Says By Denise Chow The orbiter is expected to make a full recovery.
News of Huge Mars Rover's Landing Could be Delayed by Spacecraft Glitch By Denise Chow The Curiosity rover is scheduled to touch down on Mars on Aug. 5.
Solar Storm Warning System May Predict Dangerous Radiation By Denise Chow The warning system measures the intensity of charged particles from solar eruptions.
How to Live in Space: Astronaut Don Pettit Answers SPACE.com Reader Questions By Denise Chow The veteran spaceflyer answered questions from SPACE.com readers about life in space.
Private Space Plane Builders Pick Texas for New Test Site By Denise Chow XCOR officials announced plans for a new test facility in Midland, Texas.
Bright Lights in the Summer Sky: A Stargazer's Planet Feast By Denise Chow The summer months offer plenty of fascinating stargazing opportunities.
Higgs Boson Particle Discovery May Help Reveal Dark Matter Secrets By Denise Chow Dark matter is thought to make up 83 percent of all matter in the universe.
Space Station Astronauts Return to Earth Aboard Soyuz Capsule By Denise Chow The astronauts landed on the steppes of Kazakhstan in Central Asia.
Space Station Astronauts Headed Home to Earth By Denise Chow The three Expedition 31 crewmembers will land in Kazakhstan early Sunday.
Space Station Crew to Return to Earth Sunday By Denise Chow The three Expedition 31 crewmembers are expected to land in Kazakhstan on Sunday.
Space Junk Hazards Force International Response By Denise Chow The U.S. military currently tracks roughly 22,000 pieces of debris in orbit.
'Aquanauts' Complete Mock Asteroid Mission on Ocean Floor By Denise Chow The NEEMO 16 crew simulated aspects of an asteroid mission on the ocean floor.
Northern Lights Dance Across Sweden Night Sky in Amazing Video By Denise Chow The video incorporates thousands of images of auroras over northern Sweden.
Commercial Space Travel May Bring Science Benefits, Advocates Say By Denise Chow Commercial spaceflight could open up new research and development industries.
'Weird' Alien Planets Found by Small Telescope By Denise Chow The planets were found using a small ground-based telescope in Arizona.
NASA & FAA Agree on Private Space Taxi Safety Rules By Denise Chow The agreement represents an important step for the budding commercial spaceflight industry.
NASA's Juno Mission to Probe Jupiter's Biggest Secrets By Denise Chow The Juno spacecraft is expected to arrive at Jupiter in 2016.
Spy Satellite Telescopes Donated to NASA 'Came Out of the Blue' By Denise Chow The space agency is grappling with meager budget projections.
