Ex-NASA expert issues call for climate solutions
Longtime NASA expert James Hansen has issued a call for new approaches to stop global warming, saying solutions are needed and that currently accepted targets are too dangerous.
How cosmic crashes could have kickstarted plate tectonics
A rock the size of a small city hurtles towards Earth, smashing a crater bigger than the span between Washington, D.C. and New York City. The heat and shockwave raises the temperature of the atmosphere above ...
Fermi satellite finds hints of starquakes in magnetar 'storm'
(Phys.org) —NASA's Fermi Gamma-ray Space Telescope detected a rapid-fire "storm" of high-energy blasts from a highly magnetized neutron star, also called a magnetar, on Jan. 22, 2009. Now astronomers analyzing ...
Scientist discovers ancient species of assassin fly
(Phys.org) —National Museum of Natural History scientist Torsten Dikow discovered and named a new species of assassin fly, Burmapogon bruckschi, after studying the first two specimens ever preserved in Bur ...
Climate change endangers historic US landmarks
Climate change and sea level rise are threatening historic US landmarks, from the Statue of Liberty to NASA's coastal rocket launch sites, and the nation needs to prepare, scientists said Tuesday.
Ocean-threatened Marshall's leader posts climate video plea
Marshall Islands President Christopher Loeak was forced to heighten the seawall protecting his home last year, but says the year-old defences are now barely enough to protect his family from a "climate emergency".
Bright points in Sun's atmosphere mark patterns deep in its interior
Like a balloon bobbing along in the air while tied to a child's hand, a tracer has been found in the sun's atmosphere to help track the flow of material coursing underneath the sun's surface.
Big asteroid will eclipse bright star Thursday
Skywatchers, get ready to see a rare vanishing act—and don't blink.
Seven world-class cities riding tall in bike-share boom, solving 'the last mile' without cars
Seven cities can boast of world-class bike-share systems, according to a new publication by the Institute for Transportation and Development Policy (ITDP) that identifies the best practices embraced by these cities. An estimated ...
Ride-sharing could cut cabs' road time by 30 percent
Cellphone apps that find users car rides in real time are exploding in popularity: The car-service company Uber was recently valued at $18 billion, and even as it faces legal wrangles, a number of companies ...
Alan Alda's science contest asks: What is color?
Alan Alda, the actor-turned-part-time professor, has a new question for scientists to consider: How do you explain color to an 11-year-old?
Radiator Labs wins Popular Science magazine's Annual Invention Award
For more than two years, Marshall Cox PhD'13 and John Kymissis, associate professor of electrical engineering, have been working on their startup Radiator Labs. Their first consumer product—the Cozy—is ...
The secret life of squirrels in New York City
A recent study has found eastern grey squirrels thrive in New York City's urban environment by adapting their behaviour according to cues from human pedestrians, and mostly by ignoring passers-by.
A look at how your voice is being used to ID you
Businesses and governments around the world are increasingly turning to voice biometrics, which sometimes are described as voiceprints, to replace passwords and fight fraud. A look at this fast-growing technology: