Typically, a planet's magnetic field funnels the material into its atmosphere. But even planets without a field can still ...

NASA/ESA Hubble Space Telescope, Gemini North telescope and NASA Infrared Telescope Facility observations of Neptune and Uranus may have revealed why they differ in color. Credit: Directed by: Bethany ...

The discovery was made on a massive exoplanet known as K2-18b that for years has captivated scientists searching for life ...

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

The planet’s elusive aurorae are much colder than expected, which is how they evaded detection for so long.

The photo at left is an enhanced-color image of Neptune from the Hubble Space Telescope. At the right, that image is combined with one from the James Webb Space Telescope that shows greenish ...

Located 124 light years away in the Leo constellation, K2-18b is a sub-Neptune-sized exoplanet orbiting a red dwarf star. The ...

Voyager 2, the only spacecraft to fly by Neptune (in 1989), found hints of an aurora. But all follow-up observations — even with the Hubble Space Telescope — failed to spy telltale shimmering.

Hycean worlds, which are a possible kind of exoplanet with deep oceans surrounded by a thick envelope of hydrogen, could ...

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 ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. At the left, an enhanced-color image of Neptune from NASA’s Hubble Space Telescope.

Neptune's unique blue light. The planet's auroras are captured vividly in great detail by NASA's Webb telescope ...