NASA unveiled a new telescope on Tuesday to scan vast swaths of the universe for planets outside our solar system and probe ...

Among them is Ridley Scott’s Alien franchise, which has been running for four decades now. Every generation has a favorite ...

Scientists have discovered unexpected water-ice clouds on a distant, Jupiter-like exoplanet, challenging current atmospheric ...

We have no idea what kind of life may exist on other planets, so it’s hard to know what to look for. Proxima Kósmos imagines ...

The LHS 1903 system defies expectations with a rocky outer planet, prompting new ideas about how planets form and evolve.

Astronomers have discovered a remarkable planetary system where three very different objects orbit a distant star—and their ...

Ridley Scott's eight-part sci-fi masterpiece has emerged as the perfect weekend binge before it returns for its sophomore ...

Even at a glance, the planets in our solar system are wildly diverse. Huge and small, airless and densely packed with ...

Usually, comets are dormant blocks of rock and ice. They only wake up when they get close to a star. The intense heat causes ...

Donald Trump announced his administration would begin identifying and releasing UFO-related information earlier this year.

Deep within massive rocky exoplanets, hidden oceans of molten rock may be generating powerful magnetic fields in an ...

In these science fiction books, extraterrestrial beings are sympathetic, horrifying and everything in between.