Discovered in 1930 at the Lowell Observatory, Pluto was demoted as a planet in 2006. Some want President Trump to take action via executive order.

Seven years ago, Andy Weir was busy writing Project Hail Mary, his sci-fi epic about a school teacher, Dr Ryland Grace, who wakes up on a spacecraft and gradually remembers he’s there to save ...

The molten exoplanet, larger than sub-Neptune, could be a new class of planet.

Explore the darkest corners of the abyss with 18 terrifying creatures found at the bottom of the ocean. These are Earth's ...

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

Astronomers discovered a molten alien planet orbiting a star in the Milky Way. This planet, larger than Earth, is surrounded by a searing sulfur-rich atmosphere. It orbits a star in the constellation ...

Damon Lindelof has done it again. He’s made the nerds mad. This time, it’s not because Lost ended in purgatory or because he remixed Watchmen or because of, well, everything in Prometheus. It’s ...

Steven Spielberg returns to the science fiction genre with ‘Disclosure Day,’ a mysterious movie about aliens starring Emily ...

Theoretically, it’s impossible for us to perceive a 4D creature. That is, unless it broke into our three-dimensional reality.

Red dwarfs make up the vast majority of stars in the galaxy. Such ubiquity means they host the majority of rocky exoplanets ...

This ship was huge. It was like a city-sized ship. And there was hundreds of beings on board,” said Debbie Solaris, a military veteran and ...