planet

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Dried up aliens

Alien planets might experience tidal forces powerful enough to remove all their water, leaving behind hot, dry worlds like Venus, researchers said.   These findings might significantly affect searches for habitable exoplanets, scientists explained. Although…


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Venus on the brakes

ESA’s Venus Express spacecraft has discovered that our cloud-covered neighbour spins a little slower than previously measured. Peering through the dense atmosphere in the infrared, the orbiter found surface features were not quite where they…


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Super. Massive. Impressive.

This image from NASA’s Chandra X-ray Observatory shows the center of our Galaxy, with a supermassive black hole known as Sagittarius A* (Sgr A* for short) in the center. Using intermittent observations over several years,…


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Clean. Very clean.

Mars may have been arid for more than 600 million years, making it too hostile for any life to survive on the planet’s surface, according to researchers who have been carrying out the painstaking task…


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New superearth, new superchances

A potentially habitable alien planet — one that scientists say is the best candidate yet to harbor water, and possibly even life, on its surface — has been found around a nearby star. The planet…


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IBEX vacuum cleaning

A particle-gobbling probe has snared some alien travelers: tiny particles from interstellar space that, after being born from the ashes of an exploding star, breached a protective bubble blown by the sun and sailed into…


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Crackpot CWRU

A “theory of everything” from a scientist at Case Western Reserve University got a lot of attention for positing that inanimate objects, from planets and water to strands of DNA, are alive. Not only is…