Uranus sits far beyond the orbit of Saturn, yet its smallest moons are suddenly at the center of a quiet revolution in outer ...

Far beyond the bright planets, in the dim outskirts of the Solar System, astronomers keep stumbling on objects that refuse to ...

Far beyond Neptune, at the far outer rim of our Solar System, astronomers have spotted what looks like a hidden “structure” or “band” of small worlds.

A Southwest Research Institute (SwRI) research project is using data from NASA’s Polarimeter to Unify the Corona and ...

The solar system's oddball planet has some pretty odd moons, too. The first infrared spectra of Uranus's small inner moons, ...

Normally," rings around a planet are created from the remnants of meteors, moons or left over planet pieces. But this is not ...

Elisha Sauers writes about space for Mashable, taking deep dives into NASA's moon and Mars missions, chatting up astronauts ...

"With ALMA, we can now see the atmosphere of a dying star with a level of clarity in a similar way to what we do for the sun.

One of seven Earth-sized planets, TRAPPIST-1d, caught the attention of NASA researchers and is one of the promising planets ...

"Our analysis shows that the solar system is moving more than three times faster than current models predict," says lead author Böhme. "This result clearly contradicts expectations based on standard ...

NASA's next big eye on the cosmos is now fully assembled. On Nov. 25, technicians joined the inner and outer portions of the ...