More than half a century after
Sputnik, space travel remains shockingly wasteful. Every rocket we
launch at the cost of hundreds of millions of dollars can only be used
once and completes its mission by falling to Earth in pieces. This
disposable design has scarcely advanced since the 1960s.
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NASA's next Mars rover will make oxygen, look for farmland
For 17 years, NASA rovers have laid down tire tracks on Mars. But details the space agency divulged this week about its next Martian exploration vehicle underscored NASA's ultimate goal.
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Voyager 1: 'The little spacecraft that could'
Hurtling across the Milky Way like an eternal explorer -- the Voyager 1 spacecraft continues to nonchalantly reveal the mysteries of the solar system to a captivated Earthbound audience.
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The undersea drones revealing the ocean's secrets
When Typhoon Rammasun swept through the South China Sea in July, a tiny ship was trapped in its path. The deadly storm whipped up waves over 10 meters high and winds approaching 200 miles per hour. Any regular boat would have been smashed to pieces, but this craft just a few feet long sailed through without pausing in its work.
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NASA maps out geysers, finds evidence of liquid water on surface of Saturn moon
On the surface of one of Saturn's icy moons, scientists have discovered the possible existence of a very important, life-sustaining element: liquid water.
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Repairing yourself: Self-healing buildings, bodies, and machines
Crumbling buildings, burnt-out PCs, potholes, and cracked smartphone screens -- all these damaged goods could soon be distant memories, as a new generation of "self-healing" technologies emerge.
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Robot furniture that builds itself
Imagine that the chair you're sitting on became a sofa on demand as the day moved from light to dark. Or if all your furnishings could move out of your way as you walk through a room. These thoughts could one day become reality through research being conducted at the Swiss Federal Institute of Technology (EPFL).
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Out of this world: The best selfies from space
"Gee whiz! Look at that horizon. It's curved a little bit and the clouds are way down there. I wonder what the picture's going to look like?" recalls famed astronaut Buzz Aldrin.
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Now you feel it, now you don't: Nanomaterial cloaks the sense of touch
A real invisibility cloak may still be the stuff of fantasy, but scientists have figured out a way to hide objects from touch.
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Marines test new beach assault vehicle
Call it part tank, part boat and part beer cooler. But it's unquestionably all cool.
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After Apollo: Do we need to go back to the moon?
"Neil Armstrong is going to walk on the moon on Monday, July 21st."
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Electronic noses sniff out cancer
It's the second most common cancer for men worldwide, but prostate cancer remains difficult to diagnose, with standard blood tests criticized for delivering a high rate of false positives.
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Here's what you learn when you put a baby mammoth in a 3-D scanner
Newly released 3-D images of two mummified baby mammoths provide a window into the lives and deaths of creatures that roamed Siberia over 40,000 years ago.
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Japan's robot revolution
From an android newscaster, to a realistic humanoid, CNN's Will Ripley examines what's next for Japan's robot revolution.
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Space weather: Fine, with a chance of solar flares
From Earth, the sun appears as a constant circle of light, but when viewed in space a brilliant display of motion is revealed.
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Elon Musk promises $1 million for Tesla museum
On Nikola Tesla's 158th birthday, it was the effort to build a museum in the influential scientist's honor that got the gift.
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