Scientists have found troubling signs that another Earth — the mysterious Planet Y — may be hiding on the edge of our solar ...

Neptune sits billions of kilometers from the Sun, where it receives only a tiny fraction of the sunlight Earth gets.

Neptune from Voyager 2 spacecraft, c1980s. The Voyager 2 space probe was launched by NASA in August 1977. The purpose of the Voyager programme was to study the outer Solar System. Artist NASA. (Photo ...

Approximately 190 light-years from Earth, two planets circle the star TOI-1130 in a setup astronomers rarely see. One is a ...

A strange dark spot on Neptune has been observed from Earth for the first time, offering fresh clues into how these marks form. In 1989, NASA’s Voyager 2 space probe detected a shadowy region on ...

Of all the potential super-Earths—terrestrial exoplanets more massive than Earth—out there, an exoplanet orbiting a star only 40 light-years away from us in the constellation Cetus might be the most ...

Scientists discovered a mini-Neptune with a heavy atmosphere, revealing new clues about how planets migrate through young ...

It’s almost impossible to believe, but this image of Neptune was not taken by a spacecraft near the giant planet. It was instead taken by a telescope right here on Earth. The rest of this article is ...

Using ESO's Very Large Telescope (VLT), astronomers have observed a large dark spot in Neptune's atmosphere, with an unexpected smaller bright spot adjacent to it. This is the first time a dark spot ...

This image shows Neptune observed with the MUSE instrument at ESO’s Very Large Telescope (VLT). At each pixel within Neptune Using ESO’s Very Large Telescope (VLT), astronomers have observed a large ...