The gas giants outside our solar system are not capable of hosting extraterrestrial life, but do offer clues in a lingering ...

NASA astronauts Butch Wilmore and Suni Williams have returned to Earth after nine months in space, and the before-and-after ...

Satellite images taken more than three decades apart show the disappearance of Iceland's Okjökull, the first glacier to be ...

What happened to NASA astronaut Scott Kelly after spending a year in space while twin brother Mark, also an astronaut, ...

There will be no better sight for veteran NASA astronauts Butch Wilmore and Sunita 'Suni' Williams today than Earth, as the ...

Neptune is an ice giant, composed primarily of hydrogen, helium, and methane, with a hot, dense fluid of icy materials above a small rocky core. Neptune has 14 known moons and at least five main rings ...

It's rare for any observatory to directly image a planet beyond our solar system, called an exoplanet, but the powerful James ...

TL;DR: NASA's Webb telescope has successfully captured images of several planets in a nearby star system ... images of multiple exoplanets within Earth's galactic neighborhood.

NASA is monitoring a bus-sized asteroid as it makes its closest approach to Earth today, among a group of five space rocks passing the planet this ... Getty Images Asteroids are rocky, airless ...

Experts analyzed satellite imagery of planetary surface cracks and compared them with Earth's geologic features, searching ...