That little alien emoji staring back from your phone, with its smooth, bulbous head and almond-shaped black eyes, has ...

Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.

Scientists suggest that advanced aliens might not have physical bodies, challenging traditional views of extraterrestrial ...

With the release of Disclosure Day, Steven Spielberg’s new film about aliens, a question as old as science fiction itself resurfaces: if aliens were to arrive on Earth, would they come to conquer us, ...

“The old Lakota was wise. He knew that man’s heart away from nature becomes hard; he knew that lack of respect for growing, living things soon led to lack of respect for humans, too …” — Luther ...

Eventually, we'll launch a mission dedicated solely to studying an interstellar object. When that day comes, which one should ...

Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals . Unexplained gases on other planets. Things mistaken for UFOs ...

If a dragonfly lands on you, it's easy to feel like you've received a message. But what are these creatures trying to say? Cultures around the world have ascribed many meanings to these winged insects ...

An illustration of the hazy, pink-hued gassy giant GJ504b, which may be a massive planet or a brown dwarf orbiting a nearby ...

Anyone with even a passing interest in Earth’s beauty might feel jealous of Lewis’s sojourn with plentiful tortoises, iguanas ...

The planets are extremely large, with TOI-791 b being about the same size as Jupiter, and TOI-791 c even larger. Yet, they ...

The Transiting Exoplanet Survey Satellite (TESS) revealed a distant planet located 40,000 light-years away using microlensing for the first time.