Jupiter’s striking size, swirling gases, and dramatic bands in its atmosphere set it apart from every other planet. One of ...

Astronomers had observed auroras on all other planets in the Solar System, and spotting one in Neptune completes the list.

Auroras occur when energetic particles, often from the sun, are caught in a planet's magnetic field and collide with the ...

Long-Sought Auroral Glow Finally Emerges Under Webb’s Powerful Gaze Neptune lies in the cold, dark reaches of the outer edges of our solar system, about 3 billion miles from the Sun, at the farthest ...

A team of researchers used the James Webb Space Telescope to uncover new details about SIMP 0136, a free-floating planet in ...

A phantom “Super-Jupiter” 13 times more massive than our ... then gathered data using the telescope’s Near-Infrared Spectrograph (NIRSpec) and Mid-Infrared Instrument (MIRI).

"It was so stunning to not just see the auroras, but the detail and clarity of the signature really shocked me." ...

In 2022, the Webb telescope detected unequivocal evidence of carbon dioxide in the atmosphere of a distant exoplanet called WASP-39b. But that detection was made indirectly, so the latest ...

Scientists suspected the ice giant hosted auroras—and had already observed them on Jupiter, Saturn and Uranus. But an ...

Neptune lies in the frigid, dark, vast frontier of the outer edges of our solar system, about 3 billion miles away from the ...