NASA's James Webb Space Telescope has discovered evidence of a giant planet orbiting a star in the solar system closest to ...

Astronomers using the NASA/ESA/CSA James Webb Space Telescope have found strong evidence of a giant planet orbiting a star in the stellar system ...

It's not easy to uncover exoplanets, largely lightless objects that either lurk in the dark void of space or are blown out by ...

Astronomers have discovered a new world circling the outer edges of our solar system. So far, there are only four known ...

New discoveries of objects in the Kuiper Belt have also presented challenges for the Planet Nine theory. The latest is known ...

One of the brightest stars in the night sky seems to be orbited by a planet like Jupiter. The news is sure to cheer fans of the Avatar series, which centers on a moon that orbits a fictional gas giant ...

Lava planets don’t play by the rules of our solar system. These scorching-hot worlds, some no bigger than Earth, orbit so ...

New evidence found in shavings from a meteorite known as Northwest Africa 12264 — a 50-gram (1.8 ounces) piece of space rock that is believed to have formed in the outer solar system ...

NEW YORK (AP) — A new Tatooine-like planet outside the solar system may orbit two failed stars, scientists reported Wednesday. Located about 120 light years away, the exoplanet appears to take ...

Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's ...