How Kepler’s Pointing System Might Have Failed
Launch damage or radiation are most likely causes, says CEO of reaction wheel company
Can the Kepler Planet Hunting Telescope Be Saved?
A Stanford engineer says there might be a fix
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Electric Space Sail to Get Its First Test
A small Estonian satellite will test an electrically-charged tether in orbit
Take a Tour of the National Ignition Facility
NIF's operations manager Bruno Van Wonterghem shows off the laser facility
Protecting the Power Grid From Solar Storms
New spacecraft will aid forecasts of space weather
Powerful ALMA Telescope Makes High-profile Debut
The international Atacama Large Millimeter/submillimeter Array is officially open for business, although observations were already well underway
Van Allen Belts: How Little We Knew Ye
NASA probes reveal unexpected dynamism and strange structures in Earth’s radiation belts
The LHC Dumps Its Last Beam For Two Years
The particle accelerator is shutting down for repairs and upgrades that will finally let it run at top speed
Gaia's Mission to Map the Milky Way
The European Space Agency project will change how astronomers view our galaxy
New Northern Lights Camera Finds 'Ripples' in the Sky
First hyperspectral 180º fisheye camera captures stunning auroras and a never-before-seen wave flowing across the sky
Finding the Source of the Pioneer Anomaly
Thirty years ago, the first spacecraft sent to explore the outer solar system started slowing unexpectedly. Now we finally know what happened
Prospecting for Oil or Gold? Check the Time
Advances in atomic clocks allow detailed relativistic measurements of Earth’s gravitational field, revealing structures buried far underground
A Good Week for Interplanetary Violence
Four research teams show how massive collisions formed our moon…and Saturn’s Titan, too.
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The Cosmological Supercomputer
How the Bolshoi simulation evolves the universe all over again
We Shouldn’t Give Up on SETI
It’s been 35 years since the most tantalizing signal, but the prospect of finding cosmic company is looking brighter than ever
Curiosity Lifts Up Its Head
The first pics from Curiosity's Navcam show an Earth-like landscape
NASA Saves Big on Fuel in ISS Rotation
A new way of turning the space station cuts propellant costs by 94 percent
And the Winner of the Biggest Science Prize is…Fundamental Physics
Russian billionaire doles out millions in cash to scientists through a new physics prize
What Curiosity Will and Won’t Teach Us About Martian Life
NASA’s new Mars rover boasts an unprecedented suite of instruments, but it won’t be able to answer all our questions
Actually, That's Not The Sound of The Higgs
When particle collider physics is translated into sound, the result isn't quite so musical
The Aliens Would Win
SETI astronomer and film consultant Seth Shostak weighs in on why correctly depicting alien life wouldn’t work in films
Fastest Human: Usain Bolt
A tall sprinter dances across the finish line
Transit of Venus: The Other Half of the Longitude Story
While Harrison was reinventing the clock, astronomers turned the heavens into a celestial timepiece
An Exascale Challenge for Radio Astronomy
Building the next generation radio telescope will require addressing a new set of computing challenges
Alien Earth Hunter Gets New Lease on Life
NASA's Kepler space telescope, which is looking for Earth-sized planets around other stars, has gotten a mission extension
Stepping Up the Search for E.T.
SETI Institute, TED, and the Science Channel team up for a new initiative to seek out new life and new civilizations
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Today's Solar Storm Expected to be the Worst Since 2005
While this storm will cause minimal disruption, a more severe event could be devastating
Single Blue Planet Seeks Same
In 2012, a new exoplanet hunter will look for worlds like our own
How NASA's Curiosity Rover Will Land on Mars
Picture a commando rappelling from a helicopter -- that's how NASA plans to land its new rover on the surface of Mars
Nobel Prize in Physics Goes for Discovery of Accelerating Expansion of the Universe
Observations by three astronomers demonstrate the fate of the universe
Does Antimatter Fall Up?
Physicists mine data from CERN’s ALPHA experiment for hints of how antimatter responds to gravity