The universe is full of wonders, but some worlds are downright deadly. From searing heat to violent storms, these planets make Earth look like a paradise. Many of them challenge everything we know ...

Scientists found two Earth-sized planets and a third candidate orbiting a nearby double star system, TOI-2267.

Every planet in our solar system is essentially round. But out in the universe, are there any planets that aren't spherical? Technically, planets are round, by definition; they need to have enough ...

NASA has plans to return astronauts to the lunar surface in the near future. Next year, four astronauts will orbit the moon. "We don't need to go back to the moon just for the moon. We're going back ...

If the fabric of the universe is a flat, rubbery sheet, Earth is a pothole that bends the fabric of spacetime into a funnel around it. But what would it be like to overcome Earth’s gravity, lift off ...

A distant flicker of light from a star can reveal more than you might expect. In fact, a brief, subtle brightening in the sky has helped scientists uncover something astonishing: planets much like ...

Sure, they're not your typical baby pictures. But a global team of researchers says new images published this week show some of the clearest visualizations yet of the universe in its infancy. If our ...

Galactus ranks among the Marvel Universe's most powerful villains, and how better to show that in The Fantastic Four: First Steps than by having the Devourer of Worlds, well, devour a planet? In a ...