Astronomers have narrowed down the cosmic search for life, identifying fewer than 50 rocky planets among thousands of known exoplanets that may have the right conditions to support life. Using new ...

A small group of distant worlds may hold the clues to life beyond Earth. Astronomers searching for life beyond Earth have narrowed down the most promising places to look. Out of more than 6,000 known ...

A breakthrough animal embryo transfer proves a high-tech lifeline for the northern white rhino and sparks important ethical debates.

Aliens have invaded the news again. Last month, two US presidents weighed in on the topic in rapid succession, managing to make a public that was already obsessed with extraterrestrials even more so.

You awaken from a cold sleep and suddenly find yourself in the year 2206. What you once knew as the International Space Station is now the International Space Port—a gateway for aliens coming to Earth ...

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 ...

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 ...

Astronomers suspect that a massive metallic cloud swirling in a nearby star system could be hiding a giant planet or dwarf star from view, after it drastically dimmed a sun-like star for around nine ...

A financial crisis could be triggered by an announcement that aliens exist, according to Helen McCaw, a former policy expert of the Bank of England. McCaw told The Times of London that politicians and ...

There’s no denying the allure of alien artifacts. Science fiction is awash in the material remnants of extraterrestrial civilizations, which surface in everything from the classic books of Arthur C.

Scientists and NASA officials insist the object is a natural comet, not alien technology. Recent observations found no radio signals from the comet that would suggest it was artificial. The comet made ...