Why do the dunes on Titan, Saturn's largest moon, look as though they were formed by winds blowing opposite to the moon's prevailing winds? Using a decades-old wind tunnel, scientists may finally have an answer.
NASA's next-generation telescopes will be better able to scan the cosmos for signatures of life on habitable worlds. But alien life doesn't necessarily mean intelligent – or even multicellular – beings.
A senior astronomer at the SETI Institute, which scans the skies for signals of extraterrestrial intelligence, told Congress last week that he is optimistic about the prospects of detecting life on other planets.
Even though 'Vulcan' has been rejected as the name of one of Pluto's recently discovered moons, an astronomer has left open the possibility of naming some of Pluto's geographical features after Star Trek characters.
PayPal has introduced PayPal Galactic, aimed at making financial transactions easier for space travelers. The launch of PayPal Galactic comes just as the space tourism industry is starting to take flight.
Google's doodle celebrates 'Hitchhiker's Guide to the Galaxy' author Douglas Adams. Here are 42 facts about the humorist, environmentalist, technophile, and all-around hoopy frood who would have turned 61 on Monday.