"There really is something very different about how these giant planets form versus how small planets like Earth form." ...

The James Webb Space Telescope has captured its first direct images of carbon dioxide in a planet outside the solar system in ...

Far beyond the eight familiar planets in our solar system, countless bizarre and extreme worlds await discovery — and some ...

New James Webb Space Telescope (JWST) images show the first carbon dioxide-containing planet discovered outside of Earth’s ...

The shape of a planet's orbit is one of its fundamental properties, along with its size and distance from its host star. Earth has a nearly circular orbit, but some planets outside our solar system, ...

Exciting new research suggests there are four miniature planets orbiting Barnard’s Star, each thought to be just 20 to 30% ...

NASA engineers are turning off two instruments on Voyager 1 and Voyager 2 to ensure these twin spacecraft can continue ...

Planets change orbit shape around Neptune’s size. Metal-rich stars help giant planets form. Eccentric orbits suggest chaotic planet formation.

That path is called the ecliptic, and it exists because all planets in our solar system orbit around the sun on roughly the same plane. You may like Watch 'planetary parade' online for free on Jan ...

Stargazers will be treated to a rare alignment of seven planets on 28 February when Mercury joins six other planets that are already visible in the night sky. Here's why it matters to scientists.