Jupiter is the largest planet in the solar system. It's about 11 times wider than Earth with an equatorial diameter of 88,846 ...

April’s planetary parade has fewer planets. Only four will line up: Venus, Saturn, Mercury and Neptune. April's parade of ...

Dune. Star Wars. Alien. Science fiction movies love alien worlds, and so do we. But how do scientists find planets outside ...

2025 — The James Webb Space Telescope has captured its first direct images of carbon dioxide in a planet outside the solar system in HR 8799, a multiplanet ... Combination of Cosmic Processes ...

Mike Brown is convinced that beyond Neptune, at the far reaches of our solar system, there's an unseen giant planet. "This is the 5th largest planet in our solar system, lurking out there ...

A planet 140 light-years from Earth is rapidly coming apart due to its close proximity to its star. The roasting planet is effectively evaporating away: It sheds an enormous amount of surface minerals ...

A rare 'smiley face' triple conjunction is coming to Earth's morning skies on April 25, when Venus, Saturn and the crescent moon form a celestial smirk near the horizon.

With a lot of talk about space recently, have you ever wondered which are the hottest planets in the solar system? You'd think the closer you are to the sun, the hotter they must be. Now that's ...

Pluto isn’t the only dwarf planet in our solar system's outer reaches. Now is an ideal time to look for the egg-shaped Haumea, says Abigail Beall ...

The James Webb Space Telescope spotted possible signatures for life in an exoplanet's atmosphere. Still, researchers caution ...

Tatooine-Like Planet Outside the Solar System May Orbit Two Failed Stars, Scientists Say NEW YORK (AP) — A new Tatooine-like planet outside the solar system may orbit two failed stars ...