Only one spacecraft has ever visited far-off Neptune. In 1989, NASA's Voyager 2 probe beamed back astonishing images of this dynamic world, including an Earth-sized storm with 1,000 mph winds. Since ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. A composite image of Uranus (left) and Neptune from Hubble Space Telescope observations. | Credit ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Neptune and Uranus are both ice planets in our solar system, but ...

Observations from Hubble Space Telescope, the NASA Infrared Telescope and the Gemini Observatory, reveal that excess haze on Uranus makes it paler than Neptune and that dark spots are caused by a ...

Humankind is seeing Neptune’s rings in a whole new light thanks to the James Webb Space Telescope. In an infrared image released September 21, Neptune and its gossamer diadems of dust take on an ...

Editor’s note: Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Space-based observatories such as the ...

Astronomers used a telescope in Hawaii to find a new object on the outer edges of our solar system, helping to fuel evidence of a long-standing theory about Planet Nine, or Planet X. For years, ...

Researchers have shared a radical new idea for how to put a spacecraft in orbit around Neptune: Use the thin atmosphere of Triton, Neptune's largest moon, to capture it. When you purchase through ...