Titan, Saturn's largest moon, is home to vast lakes and seas - not of water, but of liquid methane and ethane. In this video, we explore NASA's revolutionary TitanAir concept, a futuristic seaplane ...
Two scientists want NASA to build a quarantine lab for alien germs on the Moon, rather than on Earth. The pair, ...
In 1877, an Italian astronomer mapped faint lines on Mars and called them canali, meaning channels or grooves. But the word ...
The United States government’s recent release of hundreds of previously classified Unidentified Anomalous Phenomena (UAPs) ...
Professor Carol Oliver suggests that time dilation, a cosmic phenomenon, may deter aliens from visiting Earth, as ...
The Harvard astrophysicist has devoted years—and thousands of interviews—to the idea that mysterious objects streaking ...
In fact, polls in Australia, the US and elsewhere indicate around a third of the public believes aliens are here. However, while what we know about the universe suggests aliens may exist, there are ...
Discover six hard sci-fi films where science shapes story and emotion, like Europa Report and The Martian. Brainy, emotional, ...
As NASA prepares for long-term moon bases, scientists are working on how to grow food in lunar soil and deal with razor-sharp ...
Roger Ebert has championed plenty of sci-fi films, but he couldn't help but take down these sci-fi movies with some harsh ...
Stacker compiled a collection of 70 images that show how the '70s changed the world. See photos of the decade's defining ...