Space & Physics
Strange Star Spiral Offers Clues to Sun's Fate
The spiral, created by a red giant's companion star, lets astronomers see when layers of the red giant were lost
Stories by SPACE.com
Space & Physics
SpaceX Dragon Capsule Arrives at Space Station with Precious Cargo
The 1,000-pound delivery included supplies and a sweet treat of ice cream for the astronauts
Space & Physics
Space Shuttle Endeavour to Leave on L.A. Road Trip This Week
Moving the 70-metric-ton orbiter from LAX to the California Science Center is no easy task, but lucky Angelinos can watch the trek from viewing centers around the city
Space & Physics
Speed of Universe's Expansion Measured Better Than Ever
The newest measurements, courtesy of NASA's Spitzer Space Telescope, come from infrared observations of distant variable stars
Space & Physics
Reusable "Grasshopper" Rocket Concept Makes First Test Flight
The vessel only hopped six feet this time but paves the way for more reusable spaceflight components
Space & Physics
Alien Planets Circling Pulsars May Leave Electric Trails
The "wakes" of pulsar planets could help astronomers understand how planets form around the energetic bodies
Space & Physics
NASA Tracking Space Junk Near International Space Station
The station may have to perform a "debris avoidance maneuver," but the crew is not in danger
Space & Physics
Hubble Telescope Reveals Farthermost View into the Universe
The "time tunnel into the distant past" gives us a glimpse of galaxies as they looked up to 13.2 billion years ago
Space & Physics
Air Force Launching Secretive X-37B Space Plane in October, Could Land in Florida
The exact launch date of the hush-hush mission hasn't been revealed
Space & Physics
Curiosity Rover Touches First Martian Rock, Makes Longest Drive Yet
The $2.5-billion robot has performed its first contact-science operations
Space & Physics
Mercury's Surface Resembles Rare Meteorites
New information from NASA's MESSENGER probe suggests that the mysterious innermost planet is much more similar to certain meteorites than to other planets in the solar system
Space & Physics
Space Shuttle Endeavour Leaves Houston on Last Journey West
The retired Endeavour is the third of four shuttles to be delivered to museums this year
Space & Physics
Private Capsule Set to Launch Space Station Cargo Next Month
The mission will be the first of twelve contracted supply deliveries by SpaceX's Dragon spacecraft
Space & Physics
NASA Astronaut Completes First Triathlon in Space
Sunita Williams ran, biked and "swam" with California triathletes to combat the muscle degeneration that comes with weightlessness
Space & Physics
Ping-Pong Ball "Satellites" Have Balloon Ride to Edge of Space
The crowd-funded project carries experiments designed by students across the globe
Space & Physics
Antimatter and Fusion Drives Could Power Future Spaceships
The raw materials for high-energy reactions are difficult and expensive to make, but production may be feasible in 50 years
Space & Physics
Explosive Impact at Jupiter Spotted by Amateur Astronomers
A fireball was recorded entering the gas giant's atmosphere on September 10, reminiscent of the scarring impact of Comet Shoemaker-Levy 9 there in 1994
Space & Physics
Meteoroids Change Atmospheres of Earth, Mars, Venus
Similarities in the upper atmospheres of the three planets may be due to meteoroids' shedding heavy elements as they pass through
Space & Physics
How Astronauts Used a Toothbrush to Fix Space Station
Decades after Apollo 13, NASA engineers and astronauts can still improvise solutions for sticky situations in space
Space & Physics
Northern Lights Blaze Up after Big Sun Storm
As we come to the peak of the sun's activity cycle, scientists expect more dazzling, but possibly disruptive, displays
