
Dark Energy Tested on a Tabletop
Is dark energy a cosmic chameleon that can fade into its surroundings? A recent test brings the mysterious antigravitational force down-to-earth

Dark Energy Tested on a Tabletop
Is dark energy a cosmic chameleon that can fade into its surroundings? A recent test brings the mysterious antigravitational force down-to-earth

Signs of New Physics from the LHC
Physicists may have overlooked hints of supersymmetry

Russian Meteor Might Have Siblings in Tow
Orbital estimates have pinpointed 20 asteroids on similar paths to the space rock that exploded near Chelyabinsk in February

"Corkscrew" Light Could Turbocharge the Internet
Different-shaped beams could be used to increase fiber-optic capacity, thereby easing online congestion

First Proof That Infinitely Many Prime Numbers Come in Pairs
A U.S. mathematician claims a breakthrough toward solving a centuries-old problem

Ice Confirmed on Mercury Despite Planet's Solar Proximity
NASA's MESSENGER orbiter has found evidence of pure water hiding near the planet's cool north pole

Tropical Lakes on Saturn Moon Could Expand Options for Life
A subsurface source of liquid methane may be replenishing equatorial lakes on Titan, which might be a crucible for life