Silence in the sky—but why?

(Phys.org) —Scientists as eminent as Stephen Hawking and Carl Sagan have long believed that humans will one day colonise the universe. But how easy would it be, why would we want to, and why haven't we seen any evidence ...

Philippines to fight invading species

Like some bad science-fiction movie, Philippine fishermen are encountering strange alien creatures: tough, speckled fish with sharp spines that tear and rip their nets.

New astrobiology research predicts life 'as we don't know it'

The search for alien life has been restricted to using life on Earth as the reference, essentially looking for "life as we know it" beyond Earth. For astrobiologists looking for life on other planets, there are simply no ...

Getting to know the Goldilocks planet

NASA's Kepler spacecraft is discovering a veritable avalanche of alien worlds.  Recent finds include planets with double suns, massive "super-Earths" and "hot Jupiters," and a miniature solar system.  The variety ...

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