The planet Neptune has a large dark spot "with an unexpected smaller bright spot adjacent to it," inveru observations using ...

A telescope has discovered a new world on the edge of the Milky Way – potentially confirming the ‘Planet X’ theory. Beyond ...

John Casani, who has died aged 92, was an American spaceflight engineer who led the teams that pioneered Nasa’s explorations ...

For reference, Pluto’s average distance from the Sun is about 40 AU, so 2023 KQ14 is quite distant. At 23.4 billion miles (37 ...

Astronomers have discovered a "fossil" world lying in the outskirts of the solar system, according to new research.

The discovery was made by astronomers using the Subaru Telescope, which is situated atop a dormant volcano in Hawaii.

But scientists now say that Uranus is actually warmed from the inside, according to a study published in Geophysical Research ...

Scientists find Uranus radiates more heat than once believed, reshaping our understanding of giant planets and guiding NASA’s next mission.

Because Pluto is so dim, you need a telescope to see it. “A backyard telescope could do it under the right conditions,” says ...

Astronomers have discovered a new world circling the outer edges of our solar system. So far, there are only four known ...

The Subaru Telescope has made an exciting discovery: a small body beyond Pluto, with implications for the formation, ...

Despite the powerful telescopes that modern astronomers have to work with, the distant reaches of the Solar System are still ...