For decades, scientists have scoured the skies and planetary surfaces for evidence that life might exist beyond Earth. New ...

At 79, Steven Spielberg is steering back into the unknown with his latest project, 'Disclosure Day,' an original sci-fi odyssey that promises to reignite our fascination with mystery and ...

Saturn’s moon Titan may no longer be the ocean world scientists once believed it was. A new analysis of data from NASA’s ...

Amid all of io9’s lists looking back at the year’s best books, movies, TV shows, and more, there’s always one melancholy ...

This week’s historical stumpers include a TV sign-off highlighting a poem about a soldier’s career and the musical notes ...