Stock illustration of all the solar system's planets. Mars, Venus, Jupiter, Saturn, Uranus and Neptune will be visible all at once this month. Stock illustration of all the solar system's planets.

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 ...

Between now and then, on 21 January 2025, six of the seven other planets will appear in the sky at once in a large alignment ...