NASA Hubble observations from late 2023 to early 2024 document measurable size, shape, and motion changes in Jupiter’s Great Red Spot over one oscillation cycle.

Jupiter’s Great Red Spot, a storm that has captivated scientists for centuries, has shrunk to the smallest size ever recorded ...

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

Scientists have measured that Jupiter releases more internal heat than it absorbs from the Sun, based on observations of its structure, rotation, and atmospheric behavior.

If you’ve been seeing an unusually bright ‘star’ in the sky recently, it’s actually Jupiter, which will shine at its ...

As the New Year 2026 launches, only two bright planets, Saturn and Jupiter, are visible in the entire night sky.

Bright full moons, dazzling meteor shower displays and remarkable total eclipses will give stargazers plenty of reasons to ...

Astronomers have identified a free-floating planet in the Milky Way. This discovery provides direct observational evidence of a low-mass, unbound planetary body.

January may be the coldest month of the year, but it’s the best time to see the solar system's largest planet.

Saturn is on display in the early-evening sky this month along with Uranus and Neptune, both within reach of binoculars.

If you were to ask a group of dedicated amateur astronomers to list their favorite telescopic targets, few if any would ...

You can also look forward to a total solar eclipse and a total lunar eclipse this year. See if either will be visible in ...