The small world was found during a search for the hypothetical Planet Nine, and astronomers say the next time it will reach ...

As it orbits the sun once every 25,000 years, the celestial body 2017 OF201 travels beyond the Kuiper Belt into a region ...

Tianwen, which means "questions to heaven," is the name given to China's program of robotic Solar System exploration. Tianwen ...

Strauss' “Blue Danube” waltz is heading into space this month to mark the 200th anniversary of the composer's birth.

Astronomers find evidence of a possible ninth planet beyond Neptune, reigniting the debate about the formation of the Solar ...

The Hubble Space Telescope time-lapse captured footage of Jupiter, Saturn, Uranus and Neptune. Credit: SCIENCE: NASA, ESA, ...

Hubble Space Telescope imagery Neptune has revealed that the planet's clouds are disappearing. Credit: NASA Goddard Space ...

The moon will rise with Venus and the ice giant Neptune in the pre-dawn sky on Thursday, May 22.

A unique view: These pictures of Neptune were obtained by NASA Voyager 2 on April 26,1989. The picture on the top was taken five hours after that at bottom, during which time the planet rotated ...

NASA's flagship James Webb Space Telescope has captured the first-ever images of auroral activity on Neptune, after years of tantalizing hints. The images in question of Neptune were captured by ...

NASA’s James Webb space telescope is offering a new look at Neptune’s aurora, leading to a new mystery involving the eighth planet from the sun. According to an article published by NASA on Wednesday, ...

At the left, an enhanced-color image of Neptune from NASA’s Hubble Space Telescope. At the right, that image is combined with data from NASA’s James Webb Space Telescope to show auroras ...