Astronomers have identified a strange new kind of exoplanet that challenges how scientists classify worlds beyond our Solar System. The planet, L 98-59 d, appears to contain a vast ocean of molten ...

Scientists have uncovered a hellish “lava world” where temperatures soar to a blistering 2,700 degrees Fahrenheit — hot ...

Debate has raged for two decades over whether Pluto should be considered a planet. Some want President Trump to take action ...

A strange pyramid-shaped formation on Mars has fueled speculation that an advanced, Earth-like civilization may have once ...

Breaking space news, the latest updates on rocket launches, skywatching events and more! You are now subscribed Your ...

Did the US government really find aliens in the ocean? This video explores the theories and evidence surrounding the ...

Oxygen has been the most important gas in our search for life among the cosmos thus far. On Earth, we have it in abundance ...

NASA chief Jared Issacman appears to be among those who support Pluto being reclassified as a planet. Could President Trump sign an executive order?

A thick layer of haze around the ultra-low-density planet Kepler-51d likely obscures not only the strange planet's ...

While sci-fi movies can tell dark tales, there are some that will actually leave you feeling optimistic about what's to come.

"War Machine" is currently the number one film on Netflix, and its ending perfectly sets up a sequel. In the streamer’s ...

But if they’re a little too sci-fi for your taste, new research funded by NASA from the SETI Institute provides a ...