Free-floating planets could host moons with tidal heating and thick, hydrogen-rich atmospheres that may be able to create billions of years of potentially habitable surface conditions.

A NASA rover has discovered signs of an ancient river beneath Mars' surface, using ground-penetrating radar to reveal buried ...

Sci-fi is a powerful genre with many great movies that expand on the genre, and now fans can watch some forgotten gems on ...

So, let’s say the worst happens, and Earth gets invaded by aliens. Not the friendly kind offering galactic peace treaties, ...

Scattered across our planet's vast oceans lie forgotten fragments of land, each harboring secrets that time has tried to ...

According to NASA, Lake Untersee is an underground body of water resting in the snow-capped peaks of East Antarctica. Hidden like a time capsule, it p.

Prime Video's dystopian hit The Man in the High Castle arrives on Netflix on March 11. The alternate-history thriller ...

It’s been a big week for aliens in Washington. In a podcast that aired last weekend, former President Obama revealed that he believes in extraterrestrial life. Days later, President Trump declared ...

Former President Barack Obama said he did not see evidence that aliens "have made contact with us," after sending social media abuzz by saying aliens were real on a podcast over the weekend. During a ...

It is often suggested that this may have already happened: alien technosignatures may have reached Earth during the past six decades but have gone unnoticed. If that is true, it suggests that more ...

For nearly five decades, Steven Spielberg has helped define what alien stories mean to movie audiences. Sometimes they arrive as cosmic miracles. Sometimes as existential threats. Sometimes as ...