Space
NASA's New Planetary Defense Office Gets to Work Protecting Earth
PDCO will synchronize U.S. efforts and coordinate with international agencies to deal with large asteroids and comets on a collision course with Earth
Stories by SPACE.com
Space
Rogue Planet Finds Home in Biggest Solar System Ever Seen
Gas-giant exoplanet orbits 600 billion miles from its host star, 175 times farther than Pluto is from the sun
Space
Challenger Disaster 30 Years Ago Shocked the World, Changed NASA
On January 28, 1986, the space shuttle exploded just 73 seconds after blasting off, killing all seven astronauts on board
Space
Superfast "Cannonball" Star Likely Blasted from Supernova
Rocketing along at more than 960,000 miles per hour, the rare star is stained in mysterious carbon
Space
How Astronomers Could Actually See "Planet Nine"
Evidence of this new addition to our solar system is indirect at the moment, but direct evidence could come relatively soon, in the form of a telescope observation, Planet Nine's proposers say...
Space
Rings of Saturn and 2 Moons Shine in Gorgeous NASA Photo
The space agency just released an image of the spherical Tethys and the lumpy Janus, with the planet's rings in the foreground
Space
A Garden Grows in Space: First Zinnias Bloom, to an Astronaut's Delight
NASA’s Veggie program takes a big step forward in its goal to learn how to grow more complicated plants in space
Space
Video Shows SpaceX Falcon 9 Rocket Land on a Drone Ship, Then Fall Over and Explode
Elon Musk's venture follows up successful rocket landing on terra firma with one that nearly, but not quite, demonstrates a successful landing at sea
Aerospace
SpaceX to Attempt Another Rocket Landing Sunday
Private spaceflight company will try to land the first stage of its two-stage Falcon 9 rocket on an uncrewed ship in the Pacific
The Sciences
These Are the Space Missions to Watch in 2016
A brief rundown of the biggest spaceflight milestones to keep an eye out for this year
Space
Don't Miss These 12 Must-See Skywatching Events of 2016
Another year of skywatching is upon us, and there's a lot to look forward to in 2016
Space
Declassified: U.S. Military's Secret Cold War Space Project Revealed
Newly released documents describe the U.S. Air Force's secret cold war project known as the Manned Orbiting Laboratory
The Sciences
Bright Planets, Moon, Put on New Year's Show
At dawn on Thursday, Dec. 31, the four brightest planets outline the ecliptic, the path followed by the sun and moon. The moon visits each in turn over the next week
Space
Rare Christmas Full Moon Will Add to Holiday Light
Keep your eyes to the night skies because this won't happen again until 2034
Space
SpaceX Successfully Lands Rocket and Sets a Course for Mars
After several previous failures, the historic rocket landing paves the way for a new era of faster, cheaper spaceflight
The Sciences
SpaceX May Try Land-Based Rocket Landing This Month, NASA Official Says
Recovering and reusing rocket stages could significantly reduce launch costs
Space
Einstein's Unfinished Dream: Marrying Relativity to the Quantum World
On the centennial of the theory of general relativity, senior Fermilab scientist Don Lincoln reflects on Einstein's quest to understand the quantum world
Space
Could Liquid Lakes Form on Mars Today?
Water from sources such as aquifers could last long enough to pool, with larger pools remaining liquid for at least a year, according to researchers
Space
Gigantic Ice Cloud Spotted on Saturn Moon Titan
Findings from NASA’s Cassini spacecraft suggests winter in Titan's southern hemisphere will be even colder than predicted
Space
Birth of Planets! Formation of Alien Worlds Photographed for First Time
Scientists photograph a gas-giant exoplanet forming around a young star that lies about 450 light-years from Earth
