Where did life on Earth come from? It is one of humanity’s oldest and most fascinating questions. For centuries, people have searched for answers in religion, philosophy, and science. But what if the ...

A new exoplanet model screens rocky worlds by their ability to retain atmospheres over geologic timescales, helping narrow the search for potentially habitable planets beyond Earth. When you purchase ...

English science fiction writer Arthur C. Clarke once said, “Two possibilities exist: either we are alone in the Universe or we are not. Both are equally terrifying.” It’s a line that has motivated ...

This video starts with a simple question — does life really need DNA? — and then turns it into something much bigger. From RNA worlds and TNA protocells to exotic XNAs, methane-compatible chemistries, ...

English science fiction writer Arthur C. Clarke once said, "Two possibilities exist: either we are alone in the Universe or we are not. Both are equally terrifying." It's a line that has motivated ...

Add Yahoo as a preferred source to see more of our stories on Google. An illustration of an exoplanet in an alien star system. New research suggests that radio emissions from intelligent aliens may be ...

Scientists are raising concerns that we may be overlooking evidence of extraterrestrial life even when it is present. Hidden biosignatures, limitations in detection technology, and assumptions about ...

When you get cowboys and aliens in the same movie, you’re also going to have horses — and ended up being the root of an alarming incident for Olivia Wilde on the set of 2011 sci-fi flick “Cowboys & ...

A life-threatening fungal infection is on the rise in the U.S., new federal data reveals. Clinical cases reported to the agency increased by 3,315. And the number of cases detected during screenings ...

Scientists say moons around rogue planets wandering through the galaxy could remain warm enough for life thanks to tidal heating and hydrogen-rich atmospheres. These dark, starless worlds may have had ...

Olivia Wilde revealed on the “Armchair Expert” podcast (via Entertainment Weekly) that she was nearly stampeded to death by horses on the set of “Cowboys & Aliens,” director Jon Favreau’s 2011 Western ...

Are aliens real? Was Fox Mulder right all along? We examine the prediction markets to gauge if the U.S. government will confirm that aliens exist before January 2029. The prediction market on a U.S.