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Einstein “finally concluded that time travel might be inherent in his equations,” but dismissed the notion “on physical grounds.”

Christian radio broadcaster Harold Camping estimated that 200 million people would be carried to paradise yesterday—they weren’t, so how are his followers coping with the disappointment? 

The Earth has a long shelf life, but it is, alas, temporary. Before the Sun explodes in 5 billion years, there are a number of extraterrestrial threats to our planet, from rogue black holes to magnetars.

Like many urban rivers, the South Platte in Denver is not always easy to get to. City officials have done a fair job of creating walking and biking paths along […]

The fabled planetary alignment predicted to occur in 2012 is actually happening right now. Is this a sign of the Apocalypse, or just eye candy for stargazers?

Physicists at Stanford, who have spearheaded the billion-dollar Gravity Probe B mission, have announced that they have found Einstein’s missing inch, once again proving the correctness of general relativity.  According […]

            What if you could radically reduce how many people get sick from foodborne diseases like e.coli and salmonella and norovirus; one American in six (48 million people) gets sick, […]

Scientists who claimed to have found evidence of dark matter deep within a mine in the Gran Sassoa mountain in Italy now claim there are seasonal variations in the mysterious matter’s presence. 

An artificial silicon-based “leaf” that collects energy in much the same way as a natural one could provide a day’s worth of power for homes without access to an electricity grid.

The U.S. Department of Energy aims to bring down the cost of solar electricity via a new program dubbed “SunShot,” an homage to President John Kennedy’s “moon shot” pledge in 1961.

Funny thing about fear. By the time you feel it, your body is already quite busy keeping you safe.

            A special task force is about to report to the Nuclear Regulatory Commission about whether America’s 104 nuclear reactors could handle the challenges that led to partial meltdowns at […]

EcoGeek consistently tracks some of the most interesting and cutting-edge thinking related to green innovation. As EcoGeek explains, Google’s new Solar Power initiative is helping to raise awareness of alternative […]

Sun, sea and sand – for many these are the ingredients ofthe ideal retirement destination. But does a leisurely walk on the beach or fairwaycontribute to healthy aging? While these […]

Heading into one of the first major Presidential debates of the 2012 election campaign, it’s time to ask: What role will social media platforms like Twitter, Facebook and YouTube play […]

Around 2012, the sun’s magnetic cycle will reach its peak, increasing the chances of massive magnetic storms that could wipe out the satellites that govern GPS, television streams, and even the Internet.

Isabel Wilkerson’s masterful history of the Great Migration won a National Book Critics Circle Award last week, a richly deserved honor. You can read my review of “The Warmth of […]

Before Copernicus, it was widely believed that everything – including the Sun – revolved around the Earth. In the same way, it might be quaint one day to believe that everything once revolved around the PC rather than the mobile device.

Enhancing our understanding of complex space weather, N.A.S.A. scientists have gleaned new insights into the origins of fast-moving electrons during substorms in the Earth’s magnetosphere.

There has long been a desire to prove a connection between Earth’s geological activity and the gravitational resonance of the moon and the sun. Is there any truth to this claim?

I spend a lot of time hunting for cool stuff. Garage sales, estate sales, yard sales, antique stores, junk shops – you get the idea. I spend more time looking […]

Build enough wind farms to replace fossil fuels and we could seriously deplete the energy available in the atmosphere, with consequences as dire as severe climate change.

As the railroads shaped the American West in the 19th century, a new electrical generating and transmission system for the 21st century will leave its lasting mark on the desert.

N.A.S.A.’s Messenger spacecraft, which entered orbit around Mercury on March 17, sent its first images of the hot planet’s surface, including its previously unseen southern pole, back to Earth.

Fifty years after Gagarin, plans abound for crewed missions into deeper space. A near-Earth asteroid landing, one-way trip to Mars, or hover point hiatus in mid-space, anyone?

One of the most disappointing moments in an otherwise fairly encouraging Republican New Hampshire debate was that none of the seven candidates would continue federal funding for human space flight.  […]

Today’s lesson from Sherlock Holmes deals with learning to cull and to cultivate knowledge in such a way that your decision process will be optimized for the question at hand, […]

With typically Hibernian hyperbole, James Joyce once claimed that “if [Dublin] suddenly disappeared from the earth, it could be reconstructed from my book.” That book would of course be Ulysses […]

For years, architects and urban planners have occupied themselves with dreaming up clever new ways to revitalize America’s deteriorating urban centers – transforming warehouses into upscale lofts, finding creative new […]

Did you know that within six hours the world’s deserts receive more energy than humankind consumes within a year? How awesome would it be to be able to tap into […]