Did Dark Matter Kill the Dinosaurs?
The solar system's periodic passage through a "dark disk" on the galactic plane could trigger comet bombardments that would cause mass extinctions
Stories by Elizabeth Gibney
Sensor Turns Faintest Radio Waves into Laser Signals
The supersensitive device holds promise for medical imaging and quantum networks
Tiny Robots Mimic Termites' Ability to Build without a Leader
Using sensors coupled with a simple set of rules, the robots worked independently to build structures
Quantum Cloud Simulates Magnetic Monopole
Cold atoms provide evidence for Paul Dirac's 83-year-old theory
Comet Craft Approaches its Target
After traveling through space for three years, the Rosetta spacecraft is about ready to wake and prepare to land on a comet
Physicists Explain "Gravity-Defying" Chain Trick
It turns out that the leaping beads get a push from the jar
Star-mapping Mission Lifts Off
The Gaia mission's two telescopes are designed to chart one billion stars and help to answer questions about the origins of the Milky Way
Extreme Workloads Plague Scientists at the Start of Their Careers
The survey of 650 respondents in 12 countries included a pressure to publish and a struggle to maintain a work-life balance, especially for academics who are parents...
How “Magic-Angle” Graphene Is Stirring Up Physics
Misaligned stacks of the wonder material exhibit superconductivity and other curious properties
