NASA Postpones Launch of James Webb Space Telescope
The multibillion-dollar observatory is now scheduled to launch in spring of 2019
Stories by Mike Wall
Fast Radio Bursts Flash throughout the Cosmos
The mysterious and powerful cosmic outbursts could occur as often as once per second in the observable universe
Binary Giant Black Holes Spotted at Galaxy's Core
The objects are separated by less than one light year—the most compact pairing of supermassive black holes ever seen
After Cassini’s End at Saturn, Outer Planets Exploration Shifts to Jupiter
NASA and the European Space Agency may soon launch new missions to the solar system’s largest planet
Astronomers Discover Pitch-Black Exoplanet
The hellish world WASP-12b is darker than fresh asphalt in visible light, but glows red-hot in infrared
Cassini's End Marks New Beginning for Exploration of Saturn
NASA is now considering multiple proposals for a return to the ringed planet
Hurricane Irma Closes Arecibo Observatory
The threat from the Category 5 storm has shuttered the world’s second-largest radio telescope until further notice
Tropical Storm Harvey Shutters NASA's Johnson Space Center through Labor Day
Essential operations to support the International Space Station will continue, with the center reopening on September 5
Deadline for Google Lunar X Prize Extended to March 2018
The remaining teams in this private space race have more time—and the opportunity for more money—on their way to the Moon
New Group Works to Preserve Apollo Lunar Landing Sites
For All Moonkind is working with space agencies to develop formal protections for space archaeology sites
Space-Based 3-D Printing Reaches Milestone
Successful test suggests “Archinaut” system could soon assemble huge structures in orbit
NASA’s Pluto Probe May See Double During Next Flyby
When New Horizons flies by Kuiper belt object MU69 in 2019, it may find two space rocks rather than one
Stellar Winds Could Be Bad News for Life on TRAPPIST-1 Planets
Two new studies suggest the system’s potentially habitable planets could have lost their atmospheres long ago
No Evidence for Past Martian Civilization, Scientists Tell Congress
Congressman Dana Rohrabacher asks about ancient aliens during a routine hearing
Astronomers Detect Strange Signals from Red Dwarf Star
The radio bursts are tantalizing, but probably not transmissions from talkative aliens
White House Selects Leadership for National Space Council
Scott Pace, the director of the Space Policy Institute at George Washington University, will be the Council’s executive secretary
Toxic Compounds May Sterilize Martian Soil
Microbes could be killed off by perchlorates exposed to ultraviolet radiation on the planet’s surface
SpaceX Launches Rocket with "Highest-Ever Reentry Force"
The company has now landed a recycled rocket for the second time
Elon Musk Publishes Plans for Colonizing Mars
The billionaire entrepreneur and founder of SpaceX wants to make humanity a "multi-planetary species”
What's Next for NASA’s New Astronaut Class?
A dozen new candidates were chosen from more than 18,000 applicants. Now the real work begins
