Astronomers have confirmed the existence of four rocky planets orbiting Barnard’s Star, our nearest solitary stellar neighbor ...

Water is essential to life, yet its true origin on Earth still stirs debate. Scientists have long wondered whether it came from icy comets, rocky asteroids, or both. Each theory tells a different ...

NASA has discovered a new world, named Gliese 12 b. It is roughly the size of Earth, lies in the habitable zone, and orbits every 12.8 days.

Io is an incredibly active and extreme place, with glistening lava lakes and volcanic eruptions shooting sulfur and magma to ...

The Perseverance rover has found some intriguing samples on the red planet. Here's what they might reveal about the origins ...

Could a reactionless, gravity-defying propulsion system actually work? A former NASA engineer says yes, but scientists are ...

Scientists now believe that solar bursts hit the largest planet of our solar system two to three times a month.

Picture an ocean world so deep and dark it feels like another planet—where creatures glow and life survives under crushing pressure. This is the midwater zone, a hidden ecosystem that begins 650 feet ...

The UK announced it laid the keel for the HMS Dreadnought, the first of a new class of nuclear submarines meant to replace ...