
Russian Meteor Largest in Century
The explosion rivaled a nuclear blast, but the space rock was still too small for existing advance-warning networks to spot

Russian Meteor Largest in Century
The explosion rivaled a nuclear blast, but the space rock was still too small for existing advance-warning networks to spot

Large Hadron Collider Is Set to Halt for Upgrades
Maintenance, improvement work and data analysis will keep scientists busy as the European collider's planned closure begins

Magnetic Logic Makes for Mutable Computer Chips
A new alternative transistor relies on a semiconductor that can be switched with magnetism instead of electricity. The approach could help make circuitry more malleable and lead to more efficient and reliable gadgets

Shrunken Proton Baffles Scientists
Researchers are perplexed by conflicting measurements for one of the universe's most common particles

World's Most Powerful Laser Facility Shifts Focus to Warheads
The U.S. National Ignition Facility will devote less time to energy research going forward, after failing to demonstrate the principles of a futuristic fusion power plant

Nuclear Fusion Project Struggles to Put the Pieces Together
Contracting woes may cause further delays for $19.4-billion ITER, a project designed to show the feasibility of nuclear fusion as a power source

Badger Battle Erupts in England
A plan to cull TB-carrying badgers is splitting farmers, conservationists and scientists

"Astronomical Unit," or Earth-Sun Distance, Gets an Overhaul
A new AU redefinition involves changing it to a single number rather than basing it on a somewhat baffling equation

Common Interpretation of Heisenberg's Uncertainty Principle Is Proved False
A new experiment shows that measuring a quantum system does not necessarily introduce uncertainty

First Practical Maser (Microwave Laser) Is Built
The physics achievement fulfills 60 years of promise and could revolutionize communication and space exploration

Prosthetic Retina Helps to Restore Sight in Mice
The device, which relies on new insights into how the brain decodes signals from the eye, could eventually be developed for use in humans

9 Theoretical Physicists Win Massive New Cash Award
A billionaire Internet mogul has awarded a record $27 million for work on fundamental theory, dwarfing the Nobel, Kavli and Shaw prize purses

The Problems with ITER and the Fading Dream of Fusion Energy
On the road to unlimited energy, the world's most complex science experiment encounters a few potholes

South Africa Wins Panel's Backing to Host Square Kilometer Array Scope
South Africa wins science panel's backing to host SKA telescope

North Korea Suspends Nuclear Testing
The U.S. offers food aid in exchange for moratorium on uranium enrichment and weapons testing

Signal for Higgs Boson Particle Gains Strength
The latest analyses from the Large Hadron Collider boost the case for the particle's existence, but there's no new data

Fukushima Nuclear Plant Released Far More Radiation Than Government Said
Global radioactivity data challenge Japanese estimates for emissions and point to the role of spent fuel pools

Particles Found to Travel Faster Than Speed of Light
Neutrino results challenge a cornerstone of Albert Einstein's special theory of relativity, which itself forms the foundation of modern physics

Fukushima Crisis Is Still Hazy
Chaos and bureaucracy hamper assessment of nuclear crisis

Fukushima's Reactor Cores Still Too Hot to Open
Six months after the disaster that caused three meltdowns, efforts to stabilize the Japanese nuclear power plant continue

Cloud Formation May Be Linked to Cosmic Rays
Experiment probes connection between climate change and radiation bombarding the atmosphere.

The Warm Hues of Fall Foliage
Competing theories try to explain the season's spectacular show of color, but most come up short

The Milky Way's Hidden Black Hole
A giant x-ray flare from the heart of our galaxy is helping researchers test ideas about a black hole they believe lurks there

Keck Telescope Reveals an Inconsistent Constant