Large hailstones made of ammonia may explain why the gas is missing from large pockets of Jupiter's atmosphere.

From spellbinding images to groundbreaking scientific discoveries, we look back on some of Hubble's most exciting milestones.

Recent flybys of the fiery world refute a leading theory of its inner structure — and reveal how little is understood about ...

Hubble is still going strong 35 years after it was launched into space. Celebrate its anniversary with some out-of-this-world images.

In the years since, Hubble has gathered more than 1.6 million observations and 430 terabytes of data. The telescope has ...

The Hubble Space Telescope captured imagery of Jupiter and its Great Red Spot in 2023 and 2024. Credit: NASA, ESA, J.

In celebration of 35 years spent in orbit around Earth, the Hubble team has released a set of four new images showing the ...

The telescope may operate for 20 years, and it's off to a good start. Let's take a look at the best of Webb so far. Here, in no particular order, are 35 of the best Webb images we've seen to date. 1.