A strange world just 47 light-years from Earth is rewriting what scientists thought they knew about alien planets. Hidden ...

With 3I/ATLAS streaking away from our planet, speculation remains as to whether the interstellar comet is alien or not.

The creature Dek vowed to kill in the opening scene is one of the largest and most terrifying predators roaming Genna, but to ...

For decades, Uranus and Neptune have been filed neatly into the “ice giant” drawer, shorthand for worlds built mostly from ...

Interstellar object 3I/ATLAS, the third such visitor ever observed, is exhibiting unusual energy and chemical behavior as it ...

As the new year approaches, many people have decided to embark on new adventures. Perhaps you’ve decided that this is finally the year you’ll learn Spanish or figure out how to start sewing your own ...

As NASA plans for long-term human missions beyond Earth, one question keeps resurfacing: how do you sustain life in places ...

Benjamin Barakat’s award-winning astrophotograph reveals Socotra’s surreal bottle tree beneath a pristine Milky Way ...

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

The third movie in James Cameron's epic sci-fi franchise makes major leaps in technology but offers a bloated retread of a ...

The faraway moon has 'a slushy high-pressure ice layer' similar to the melting Arctic that could hide extraterrestrial life.

NASA has pinpointed the exact moment when interstellar comet 3I/ATLAS, the object suspected to be an alien spacecraft, made ...