The delicate form of the crescent moon is set to draw close to the planet Jupiter in the post-sunset sky on April 29, before ...

The weather gets a little wild and weird on Jupiter. How wild? Spacecraft instruments have measured strong winds, tracked ...

Jupiter's volcanic moon Io doesn ... If there's no magma ocean, where does the 'melt' come from that emerges from the volcanoes as lava? On Earth, melt is produced by tectonic forces.

Imagine a Slushee composed of ammonia and water encased in a hard shell of water ice. Now picture these ice-encrusted ...

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

Observations of Jupiter show that ammonia is unevenly distributed in the upper atmosphere, against expectations of uniform mixing. Scientists found evidence for a complicated but apparently real ...

NASA’s Lucy spacecraft is closing in on its second close encounter with an asteroid, expected to happen on April 20, 2025.

2024 — Astronomers have observed Jupiter's legendary Great Red Spot (GRS), an anticyclone large enough to swallow Earth, for at least 150 years. But there are always new surprises -- especially ...

As Connors explains, YR4 exhibits what's known as "orbital resonance" with Jupiter, meaning that ... is that resonant asteroids close enough to cross Earth's orbit will have multiple attempts ...

NASA's Lucy spacecraft recently got an up-close look at a strange peanut-shaped space rock floating through the cosmos in the ...

NASA recently tracked asteroid 2024 YR4, which initially showed a 3 per cent chance of hitting Earth in 2032. New data shows it's no longer a threat, but the incident highlights the need for strong ...