In 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 × 10^24 kg.

Jupiter currently shines as a brilliant silvery "star" in the constellation Gemini the Twins, low in the east-northeast sky ...

A newly discovered exoplanet more than 1,200 light-years from Earth has three times the mass of Jupiter and is the new "king" of its solar system. Known as Kepler-88 d, it replaces Kepler-88 c as the ...

Gravitational microlensing is the only method capable of exploring the entire population of free-floating planets down to Mars-mass objects, because the microlensing signal does not depend on the ...