Our own planet represents a tiny fraction of the peculiar phenomena that can be found lurking throughout the cosmos, and every day astronomers turn up new surprises. In this gallery, we take a look at ...

Exoplanets like HD 189733b, Tres-2b, and TOI-849b display extreme conditions from glass rain to near-total darkness, offering insight into the diversity of planets beyond our solar system.

If you look across space with a telescope, you'll see countless galaxies, most of which host large central black holes, ...

Most of the universe is made up of dark matter and dark energy. The majority of everything else is dispersed throughout space ...

A surprisingly mature spiral galaxy named Alaknanda has been spotted just 1.5 billion years after the Big Bang—far earlier ...

There's a certain logic to how human civilization operates. Some say it's predetermined by physics, others point to ...

Enterprise took a trip to the Mirror Universe in season 4, and delivered one of the best episodes of the series.

Explore every Planet of the Apes movie, timeline, and leader in this illustrated guide to the iconic sci-fi saga’s history, ...

Here's a list of all of the universes that will show up in Avengers: Doomsday, ranked by how important they will be.

Ahead of 'The War Between the Land of the Sea', we look back at a drama that rewrote the rules of the Whoniverse.

A Rutgers astrophysicist is helping to solve a cosmic puzzle that has astronomers scratching their heads. The mystery centers ...

The real war in the new 'Doctor Who' spinoff isn't between the Sea Devils and humanity, but between the show's bold ideas and ...