NASA/Jet Propulsion Laboratory-Caltech/Southwest Research Institute (SwRI)/Malin Space Science Systems (MSSS); Image processing: Emma Wälimäki © CC ...

Astronomers are tracking a newly discovered interstellar visitor called 3I/ATLAS, and early research suggests it may be unusually massive.

Scientists have proposed that Venus’ mysterious crown-shaped features, known as coronae, form when a rigid layer in the mantle traps heat, creating slow-moving currents that deform the surface.

During its close flyby of Jupiter's moon Io on December 30, 2023, NASA's Juno spacecraft captured some of the most detailed imagery ever of Io's volcanic surface. In this image, taken by the JunoCam ...