The Sciences
Eternal Clock Could Keep Time after the Universe Dies
Scientists have envisioned a space-time crystal with cyclical structure in time as well as space
Stories by Clara Moskowitz
Space
NASA Astronaut Completes First Triathlon in Space
Sunita Williams ran, biked and "swam" with California triathletes to combat the muscle degeneration that comes with weightlessness
The Sciences
How Many Neutrons and Protons Can Get Along? Maybe 7,000
The finding could be put to use at a new facility opening in 2020 that might create new elements—that is, nuclei with more than 118 protons—in addition to new isotopes of the known elements...
The Sciences
Faster-Than-Light Neutrinos Aren't
The same lab that first reported the shocking results last year, which could have upended modern physics, now reports that neutrinos "respect the cosmic speed limit"
Space
SpaceX Rocket Launch Vindicates Commercial Spaceflight
The company's Falcon 9 liftoff this morning represents the potential of a new era in U.S. spaceflight, the White House science adviser says
Tech
Science Fiction Is Barely Ahead of Space Exploration Reality
Science fiction writers will always, by definition, be one step ahead of engineers, and interstellar travel and time travel still elude them
The Sciences
New "Beauty Baryon" Particle Discovered at Large Hadron Collider
It's just the second new particle to be discovered at the atom smasher where physicists also seek the elusive Higgs boson particle
Space
Leonard Nimoy to Shuttle Enterprise: "Live Long and Prosper" in NYC
The "Star Trek" actor was on hand when the shuttle Enterprise flew in atop a jumbo jet Friday and explained the show's influence on the shuttle's name
Space
Earth Formed from Diverse Meteorite Mix
A match of silicon isotopes in terrestrial and lunar rock samples is revealing more about how both bodies really formed
Space
Biggest Map Yet of Universe's Invisible Dark Matter Unveiled
Scientists hope that by plotting out the distribution of dark matter throughout space, they will come closer to understanding what it is
Space
Russian Engineers Race to Save Troubled Mars Moon Probe
Phobos-Grunt appears to be stuck in Earth orbit. In two weeks, if its thrusters aren't restarted, the spacecraft will be lost completely
Space
NASA Pinpoints Pacific Ocean Grave of Fallen UARS Satellite
The defunct Upper Atmospheric Research Satellite (UARS) reentered the atmosphere at 12:01 A.M. Eastern time (0401 GMT) on Saturday, falling into the Pacific at 14.1 degrees south latitude and 189.8 degrees east longitude...
The Sciences
Last Shuttle Astronauts Bid Historic Farewell to Space Station
Atlantis is on its way home for a final landing at NASA's Kennedy Space Center in Florida
Mind
Head Lines: Spotting a Fake Smile
Also: Men Who Can Move; Borrowed Identity; Speaking of Race; and Marrying Mom
Space
Black Hole Firewall Mystery: Submit Your Questions for Physicist Joseph Polchinski
One of the architects of the idea that “firewalls” of high-energy particles border black holes will answer readers’ questions in a video chat
The Sciences
Review: Particle Fever
Reviews and recommendations from Scientific American
The Sciences
Book Review: The Extreme Life of the Sea
Reviews and recommendations from Scientific American
