"We have found an unknown branch of the tree of life that lives in this lake. It is unique! So far we know of no other group of organisms that descend from closer to the roots of the tree of life than this species," study researcher Kamran Shalchian-Tabrizi, of the University of Oslo, in Norway, said in a statement. 
Scientists are spending a lot of time looking for worlds on which life may flourish -- worlds like our own, or at least sufficiently like our own. 
ONE of the more memorable slogans to come out of the climate-change talks in Durban over the past few days is: “there is no planet B”. But what if there were? 
UFO reports shot up in August, but does this mean that people are seeing more UFOs and aliens, that they have more free time to report their sightings, or something else entirely? 
Rising greenhouse emissions could tip off aliens that we are a rapidly expanding threat, warns a report... 
Europe's Giotto mission studied Halley's comet and discovered that it's composed of organics and silicates and its "snowy" dust particles may have contributed to life on our planet. The Rosetta mission will continue the research of comets.
SETI Institute experts address four key questions on the topic of intelligent life beyond Earth and how to systematically and scientifically look for it.
Astrobiologist Richard D. Hoover of NASA’s Marshall Space Flight Center has found fossils of bacteria in a rare type of meteorite called CI1 carbonaceous chondrites, of which there are 9 on the planet.
After breaking apart the CI1 meteorite, he used 2 high powered microscopes to find fossils of micro-organisms, which he says are strikingly similar to those found on our own planet. 
I'm guessing, in the sky!
The ability of a private California company, SpaceX, to launch an unmanned capsule around Earth and for so little money is raising serious questions about NASA. Many warn that if the storied agency fails to become leaner and more efficient, it could become a historical footnote.
Imagine there's intelligent life somewhere out in the universe. Would they celebrate Christmas? While this question may seem silly, some people take this question it very seriously.
SETI has come a long way over the years, but is the search really important?
Lately, a handful of new discoveries make it seem more likely that we are not alone, that there is life somewhere else in the universe. In the past several days, scientists have...
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“If aliens threatened our planet, nations would unite to save Earth. When our own (in)actions threaten the planet, we question science, bicker about responsibility, and generally ignore it. 
Leap day may not be restricted to planet Earth. 
Astrophysicists suggest looking for the shimmering light of cities on far off planets... 
The potentially habitable super-Earth, officially called HD 85512 b, is estimated to be only 3.6 times more massive than Earth, and its parent star is located about 35 light-years away, making it relatively nearby. 
Generations of scientists, children and science fiction fans have grown up presuming that humanity’s first encounter with alien life will happen in a red sand dune on Mars, or in an enigmatic radio signal from some obscure star.
But it could soon happen right here onEarth, according to a handful of chemists and biologists who are using the tools of modern genetics to try to generate the Frankensteinian spark that will jump the gap separating the inanimate and the animate. The day is coming, they say, when chemicals in a test tube will come to life. 
A NASA spacecraft that in 2005 discovered watery plumes spewing from the surface of Saturn's icy moon Enceladus has now found compelling evidence that the plumes stem from an underground reservoir of saltwater.
There are a number of upcoming space shuttle launches scheduled for this year, but how much do you really know about NASA's various space shuttles? Take a look at some fun facts about their size, and how far they've actually flown.
In a building at NASA’s Ames Research Center here, computers are sifting and resifting the light from 156,000 stars, seeking to find in the flickering of distant suns the first hints that humanity is not alone in the universe.
Will aliens and zombies rampage through these ancient stone causeways, forcing Israelis and Palestinians to turn their weapons against a common foe...?
Following hot on the heels of a series of international UFO sighting disclosures, the New Zealand government has joined the party and made public 2,000 pages...
INSOLITE - Le paysan aurait reçu la visite de plusieurs aliens...
San Antonio Spurs' Mani Ginobili turns to Facebook to say he saw something strange in the skies. (Includes video.)
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