Imagine a planet orbiting the largest known star, Stevenson 218. This video explores the tantalizing scientific possibility ...

The search for alien life often sparks the imagination with images of extraterrestrial beings and strange worlds. However, a new theory is shifting the focus—what if life elsewhere in the universe ...

Aliens might be transmitting communications signals to each other across exoplanets, some astronomers think. Since these signals are likely sent as narrowband radio waves, we may now have a way to ...

According to popular media, the search for alien life involves advanced technology, space exploration and sometimes even government conspiracies and secret programs. But according to University of ...

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

"The universe is a pretty big place. So if it's just us... seems like an awful waste of space," goes a line from the 1997 film "Contact." In the movie, Jodie Foster plays Dr. Ellie Arroway, a radio ...

What are the physics of life? That is more than just a philosophical question—it has practical implications for our search for life elsewhere in the galaxy. We know what Earth life looks like, on a ...