Mars will appear to make an ultraclose approach to the moon on Sunday, after Jupiter had a turn earlier this week. Here's how ...

Gaia-4b is considered a super-Jupiter planet, a relatively cold gas giant, orbiting its star over 570 Earth-days. That star ...

But it won't be a star that will be keeping the moon company on this early winter's evening, but the largest planet in the ...

WASP-121b is like nothing in the solar system, raining liquid metal and being puffy like a marshmallow. The origins of these ...

Illustration of the Jovian moon Io, seen against the backdrop of Jupiter's Great Red Spot. The ... [+] latter is a vast, cyclonic storm - wider than the entire Earth - that has raged for centuries.

Six of our cosmic neighbors are expected to line up across the night sky tonight, in what has been dubbed a "planetary parade". Throughout much of January and February, Venus, Mars, Jupiter, Saturn, ...

Get ready, Jupiter is about to put on an awesome sky show. On Sept. 26, the giant planet will be closer and brighter than it has been for the last 59 years. This fact has not escaped the attention ...

Have you noticed lately the dazzling pair of “stars” above the western horizon an hour or so after sunset? You probably decided that both are planets – and you are correct. The lower and ...

"There are still many things related to planetary formation and the early evolution of young planetary systems that we don't understand." The discovery of an extraordinary multi-planet system has ...

Illustrations by the 17th-century astronomer Cassini (a-c), compared with Jupiter's current Great Red Spot as captured by Eric Sussenbach in 2023. Disclaimer: AAAS and EurekAlert! are not ...