Otherworldly aliens are as important to the "Star Wars" saga as a rousing score or elaborate outer space fights between cool ...

The hunt for Planet Nine continues as new discoveries make the Solar System’s biggest mystery even harder to solve. Is there ...

Steven Spielberg returned to the alien sci-fi genre for his latest film, "Disclosure Day," and you might want some similar ...

Using the Keck Observatory, astronomers measured the spins of dozens of giant planets and brown dwarfs orbiting distant stars ...

There are many powerful alien races in the Dragon Ball franchise, but only a few of them could actually destroy the Earth.

Five Steven Spielberg movies have been about aliens, including Close Encounters of the Third Kind and Disclosure Day, but ...

Astronomers studying the atmospheres of several intensely heated exoplanets uncovered an unexpected pattern that may reveal a hidden property of these distant worlds.

In the following six books, each writer looks to space to skillfully explore what it means to live on Earth. Salvation and ...

The United States government's recent release of hundreds of previously classified unidentified anomalous phenomena (UAPs) ...

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 ...