A Scan Of 100,000 Galaxies Shows No Sign Of Alien Mega-Civilizations

A pioneering infrared scan of 100,000 galaxies by Penn State astronomers has failed to detect any signs of galaxy-spanning extraterrestrial supercivilizations. This result, though very preliminary, may be a sign that aliens aren't capable of conquering entire galaxies. » 4/15/15 1:17pm 4/15/15 1:17pm

Here's What The Night Sky Would Have Looked Like 10 Billion Years Ago

Our sun has only been around for 4.5 billion years — which means it missed the cute early years of the Milky Way galaxy. If you were standing on a planet 10 billion years ago, when the Milky Way was relatively young, the night sky would have looked very different. » 4/09/15 11:07pm 4/09/15 11:07pm

An Alien Radio Beacon? Probably Not This Time.

For nearly a decade, astronomers have puzzled over powerful bursts of radio energy that seem to be hailing from billions of light years away. Recently, we received reports of a new wrinkle to this mystery: The bursts appear to follow a mathematical pattern, one that doesn’t line up with anything we know about cosmic… » 4/04/15 3:00pm 4/04/15 3:00pm

There May Be More Water On Jupiter's Largest Moon Than On Earth

By studying the subtle shifts of aurorae on Ganymede, scientists working with the Hubble Space Telescope have concluded that Jupiter's largest moon hosts a massive subterranean ocean. Quite suddenly, the outer reaches of our solar system appear to be a very wet place, indeed. » 3/13/15 10:29pm 3/13/15 10:29pm

There's a Tiny Working Planetarium Inside This Pop-Up Book

Adobe recently posted a video profile of designer and paper artist Kelli Anderson that includes a sneak peek at a phenomenal new pop-up book she created. But instead of castles or magical forests rising from its pages, the book is packed full of functional 3D contraptions including a planetarium with real… » 3/12/15 9:50am 3/12/15 9:50am