All Items Tagged

“Extraterrestrial Life”

Dec 19, 2014 11:34 AM ET
Methane is such a promising sign for the existence of biological life that it's hard not to get excited when it's detected on Mars. But Amy Shira-Teitel runs down some other ways the gas could be observed on the Red Planet without their being life.
Dec 16, 2014 01:30 PM ET // Irene Klotz
A gas strongly associated with life on Earth has been detected again in the Martian atmosphere, opening a new chapter in a decade-old mystery about the on-again, off-again appearance of methane on Mars.
Dec 15, 2014 04:07 PM ET // Ian O'Neill
Astronomers have detected a huge array of exoplanets of different sizes -- now we are on the verge of detecting worlds of different shapes.
Dec 11, 2014 05:39 PM ET // Ian O'Neill
For the first time, a computer simulation has shown that, in theory, habitable binary planets can exist -- what would this mean for the evolution of alien life?
Dec 3, 2014 03:07 PM ET // Ian O'Neill
Dust gets everywhere, particularly around young stars. But when it comes to the presence of dust in their interplanetary environments, many mature sun-like stars are very house-proud. Continue reading →
Oct 7, 2014 03:29 PM ET // Ian O'Neill
Life is all around us, on Earth. But what about elsewhere in the Universe? NASA has announced new funding for 7 institutions to tackle this question. Continue reading →
Sep 3, 2014 11:45 AM ET // Mike Wall, Space.com
If Professor Hubert Farnsworth's 'Smell-O-Scope' actually existed, astrobiologists would have pointed it at dozens of alien planets by now.
Aug 13, 2014 05:09 PM ET // Ian O'Neill
No matter how advances a hypothetical extraterrestrial civilization becomes, they will still generate a heat signature that we may be able to detect. Continue reading →
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