I n our solar system, Jupiter is the biggest planet at 88,846 miles in equatorial diameter — the distance through the planet from one side to the other at its equator — and a mass of 1,898 × ...

Orbiting its star in an elliptical path at less than half the distance between Earth and the Sun, this exoplanet offers a ...

Astronomers in Poland have discovered a nearby exoplanet more than 11 times the mass of Jupiter, comfortably putting it in the pantheon of the most massive known worlds. The object is a cold super ...

Using gravitational microlensing, scientists have discovered a rare, large planet at the edge of the Milky Way. The planet is ...

The exoplanet, a planet beyond our solar system, has been dubbed TWA 7b after NASA's James Webb Space Telescope captured ...

Perhaps most notably, it has a very low mass — 10% the mass of Jupiter despite being 80% its volume, with an atmosphere of water vapor, methane, carbon dioxide, carbon monoxide and ammonia ...

Astronomers using NASA's James Webb Space Telescope spotted TWA 7b, a Saturn-sized exoplanet around a nearby star ...

Since it is between five and 10 times the mass of Jupiter, this makes it the lightest rogue planet discovered with such a trait. The other rogue planets are also thought to have formed this way.

One of Jupiter’s most recognizable attributes is its sheer size.With a diameter over 88,800 miles, our solar system’s largest planet is 11 times as wide as Earth and twice as massive as all ...

The planet—named Eps Ind Ab—was observed with the James Webb Space Telescope (JWST), and is at least six times the mass of Jupiter. With a temperature of around 275 degrees Kelvin ...

Scientists think they know the origin of the asteroid that wiped out the dinosaurs German scientists found evidence that the space rock came from the outer limits of our solar system, well beyond ...