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Paul Davies studies possibilities of life beyond Earth
Paul Davies talks about a realm of microbes he calls the 'shadow biosphere' and how these microbes could hold clues to alien life.
December 28, 2009
Six super-Earths around two nearby sunlike stars
Six low-mass planets, called Super-Earths, found orbiting the sun’s nearest neighbors, and they appear to be extremely common, say astronomers.
December 15, 2009
Black hole caught zapping galaxy into existence?
These astronomers believe they have identified black hole jets as a possible driver of the formation of galaxies in the early universe.
November 30, 2009
Time can warp and it’s related to space
The answer is yes. Time can warp. Strange as it may sound, both time and space do indeed warp around large celestial bodies. But it's complicated.
November 28, 2009
Paul Davies on how life on Earth began
Astrophysicist Paul Davies of Arizona State University studies the origins of life on our planet.
November 16, 2009
Water on the moon: What does it mean?
There is water on the moon, it's been confirmed. The discovery could guide future space exploration and whether its worth the expense of colonizing the moon.
November 14, 2009
Meteors, are they bright enough to read by?
Usually, meteors are not bright enough to read by. But some spectacular showers can offer a true spectacle of light and might be bright enough to read by.
November 13, 2009
Is Earth getting farther from the sun?
The universe might be expanding, our galaxy is getting farther from other galaxies. But our sun, our Earth and its family of nine planets is not expanding.
October 29, 2009
How do we know the shape of our galaxy?
The answer is ... we don't. But astronomers make educated guesses about the shape of our galaxy, in part by looking into space at other galaxies.
October 29, 2009
The infamous Heene hoax was a stunt
The Heene hoax shows us humans tend to favor initial impressions. If the first impression you get of something is that it is an alien spacecraft, it sticks.
October 22, 2009
