As planets pass in front of their parent stars as viewed from Earth, they cause a tiny dip in the amount of starlight we ...

NASA has been monitoring a never-before-seen planet in its solar system, which is eight times the size of Earth. The ...

Scientists using Hubble to observe the frosty giant planet Neptune discovered that the large “dark spot” storm churning in its atmosphere has done something unexpected. The storm, which ...

This is a montage of Hubble Space Telescope views of our solar system's four giant outer planets: Jupiter, Saturn, Uranus, and Neptune, each shown in enhanced color. The images were taken over ...

NASA’s Voyager mission completed humankind’s first close-up exploration of the four giant outer planets of our solar system.

Early 2025 is a good time for skygazing and spotting up to seven planets in the night sky – if you have a little help.

Why it's so special: This iconic montage features images of Jupiter, Saturn, Uranus and Neptune captured between 2014 and 2024 as part of the Hubble Space Telescope's Outer Planet Atmospheres ...

But that's not all. Between now and then, on 21 January 2025, six of the seven other planets will appear in the sky at once ...

Hubble Space Telescope image of an ultraviolet ... Venus, Saturn, Uranus and Neptune, in a so-called "planetary parade". Jupiter, Venus, Saturn and Mars are visible to the naked eye, but Neptune ...

NATIONAL HARBOR, Md. — Proposed budget reductions for the Hubble Space Telescope would impact research and outreach as well as increase the risk to the observatory, project officials warn.