Jay Stratton led the classified operation that tried to trap something that wasn’t from Earth.

Astronomers using the James Webb Space Telescope have discovered that a distant alien planet's atmosphere is surprisingly lopsided. Located 1,300 light-years away, the scorching gas giant WASP-17b ...

The strangest alien worlds ever discovered reveal just how extreme planets beyond our Solar System can become, from nearby ...

There are hundreds of billions of stars in the galaxy we live in. Many of them have their own exoplanets. So why haven’t we ...

Avatar: Seven Havens offers a striking visual makeover to the world of bending. The new series drops the familiar look of The ...

Some UFO cases remain difficult to explain, but that is only the beginning of the scientific question. The evidence needed to ...

Discover how WASP-189b, a scorching alien world, mirrors its star's composition, reshaping the search for Earth-like planets ...

What if an alien with completely different life forms and social structures landed on the third planet from the sun (Earth)?

These cataclysmic explosions spray intense radiation and beams of energy through the universe at close to the speed of light.

Credit: The EAGLE project/Durham University Galaxy simulations suggest the Milky Way offers some of the universe’s best ...

As far-fetched as it may seem, quirks of orbital mechanics could allow hundreds of planets to be packed around a star ...

Want to delve deeper into the fictional worlds of some of the greatest classics ever made? Here are popular sci-fi TV shows ...