Space exploration missions have revealed that polar vortices aren’t uncommon beyond Earth. They’ve been observed throughout ...

When a planet's orbit brings it between Earth and a distant star, it's more than just a cosmic game of hide and seek. It's an ...

Fresh data from the James Webb Space Telescope provide more evidence for what some consider a biosignature — but debate is ...

Uranus is an ice giant planet with a thick atmosphere over a hot mantle of water, ammonia, and methane ices. Humanity has ...

NASA's Juno revealed mushballs on Jupiter, reshaping our understanding of deep, violent gas giant storm systems.

Webb has two decades ahead of it, but it's already captured some stunning images. Here are 35 of our favorites.

A bizarre hailstorm of icy “mushballs” — slushy mixtures of ammonia and water — has been confirmed on Jupiter, where intense ...

Modern astronomers now have an advanced understanding of many of the objects in the night sky, and have even determined that ...

The planet Uranus was the last gas giant to get the Webb treatment. In late 2023, NASA released this NIRCam mage of the ice giant ... as far from its star as Neptune is from the sun.

Weather on Jupiter may have some surprising similarities to Earth phenomena, but some things it does defy easy explanation.

Using NASA's Transiting Exoplanet Survey Satellite (TESS), an international team of astronomers have detected a new ...