Planets that once lived only in pulp novels and movie concept art are now turning up in real data. Astronomers are not just finding distant worlds, they are cataloguing places with molten surfaces, ...

For decades, science fiction treated alien planets like Earth with a different paint job. This video shows how real exoplanet ...

As the science fiction author publishes the latest novel in his Children of Time series, Children of Strife, he talks to ...

Billions of stars in our Milky Way galaxy have captured rogue alien planets that once cruised freely through interstellar space, a new study suggests. Many wandering alien worlds, which were ejected ...

Movies like "Disclosure Day" and "Project Hail Mary" renew our fascination with extraterrestrials and the idea that humankind ...

Celebrate Women's History Month by adding these influential sci-fi authors to your TBR, from Mary Shelley to Suzanne Collins ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." While the buzzy sci-fi series is science fiction (obviously), Dr. Sward says there's plenty of real ...