Beyond Neptune lies the Kuiper Belt, a vast region of icy bodies that holds the secrets to the solar system’s formation.

Today, we know of more than 5,000 exoplanets: planets outside our solar system that orbit other stars. While the effort to ...

A planet’s opposition occurs when Earth passes between it and the Sun. As a consequence of that geometry, Neptune’s disk will appear to be 100% illuminated as seen from Earth. It will be 180º ...

Jupiter can be seen near Orion at about 11 p.m. The solar system's most-distant planet, bluish-green Neptune, will be visible ...

A reassessment of data from NASA's Voyager 2 has revealed that Uranus' moon Miranda may contain a subsurface ocean, ...

Despite being our closest celestial neighbor, the Moon's origin has remained a mystery to scientists. Since the 1980s, the ...

Mysterious Neptune Dark Spot Detected from Earth for the First Time Aug. 24, 2023 — Using ESO's Very Large Telescope (VLT), astronomers have observed a large dark spot in Neptune's atmosphere ...

For nearly 40 years, scientists have generally agreed that Earth's Moon formed from debris after a massive collision with our ...

A rare solar wind event was taking place when NASA’s Voyager 2 zipped by in 1986, a study suggests, which affected what we ...

We know from The Lord of the Rings that Tolkien crafted endless stars in his legendarium, but are there other planets too?

Much of the understanding of the seventh planet comes from a brief flyby nearly 40 years ago, which researchers now say ...

November’s astrology has already taken everyone on a wild ride, but the full moon rising on Nov. 15 is set to bring about ...