Astrophysicists have once again enriched our knowledge of the cosmos with a new discovery: two small planets orbiting ...

The number of known moons in our Solar System has been rising for centuries, but astronomers say it has probably peaked – for ...

Clyde Tombaugh discovered Pluto in 1930 at Lowell Observatory in Flagstaff. Here's how Pluto won - and lost - its planetary ...

A weak magnetic field likely attracted matter inward, contributing to the formation of the outer planetary bodies, from ...

Sonoma’s Rusty Schweickart appears in “Apollo 1,” a new documentary film about the mission, and will participate in a panel ...

The objects around the ringed planet are tiny, but some of them may have formed relatively recently in the solar system’s ...

Faint signatures detected by the Canada France Hawaii Telescope have revealed 128 new moons around Saturn, making it the ...

LTT 9779 b, an ultra-hot Neptune, is defying expectations. With temperatures soaring to nearly 2,000°C and a tidally locked ...

The weather for Neptune today is sunny, with a chance of reflective clouds. Learn more about the uniquely blazing atmosphere ...