LIGO Black Hole Echoes Hint at General Relativity Breakdown
Gravitational wave data show tentative signs of firewalls or other exotic physics
Stories by Zeeya Merali
Black-Hole Fireworks Win Big in Multimillion-Dollar Science Prizes
Breakthrough awards announce winners in physics, life sciences and mathematics
Quantum "Spookiness" Passes Toughest Test Yet
A cunning experiment plugs loopholes in previous demonstrations of quantum "spookiness," a concept that galled Einstein
Did Cancer Evolve to Protect Us?
A physics-based, “atavistic” model posits that cancer is a “safe mode” for stressed cells and suggests that oxygen and immunotherapy are the best ways to beat the disease
A Meta-Law to Rule Them All: Physicists Devise a “Theory of Everything”
“Constructor theory” unites in one framework how information is processed in the classical and quantum realms
Stephen Hawking: "There Are No Black Holes"
The notion of an "event horizon," from which nothing can escape, is incompatible with quantum theory, Hawking says
Fat Gravity Particle Gives Clues to Dark Energy
Force-carrying "gravitons" with mass could help to explain the universe's accelerating expansion
Temporal Cloak Erases Data from History
A technique that hides rapid data streams could provide ultrasecure communications
Quantum Gas Goes below Absolute Zero
Ultracold atoms pave way for negative-Kelvin materials
Quantum Cryptography Conquers Noise Problem
Encoded photons sent a record distance along busy optical fibers
Leap Second Granted Extra Time
Vote to unshackle clock time from its link to Sun is postponed to 2015
Rummaging for a Final Theory: Can a 1960s Approach Unify Gravity with the Rest of Physics?
To unify the four forces of nature, physicists are turning to Lie groups, an approach famously resurrected in 2007 by a surfer-dude theorist
Splitting Time from Space—New Quantum Theory Topples Einstein's Spacetime
Buzz about a quantum gravity theory that sends space and time back to their Newtonian roots
Splitting Time from Space—The Evidence
Hořava gravity could explain missing spatial dimensions in a computer simulation
Did China's Nuclear Tests Kill Thousands and Doom Future Generations?
Radioactive clouds hung over villagers as China detonated nuclear bombs in the air for four decades
Saving Venice
An ambitious plan seeks to prevent a modern Atlantis
The Little Spacecraft that Could ¿ and Did
Decades after their original objectives were completed, Pioneer, Voyager and IMP-8 keep on trucking
