This global view of Jupiter's moon, Io, was obtained during the tenth orbit of Jupiter by NASA's Galileo spacecraft. Io, which is slightly larger than Earth's moon, is the most volcanically active body in the solar system.

A large subterranean liquid water reservoir located deep within the Martian crust was previously found by scientists examining data from NASA's InSight mission. At a depth of roughly one mile (1.6 kilometers) below the surface, this water is trapped in microscopic cracks and pores in the rock.

More than five years into its mission, NASA's Mars Perseverance rover is still ambling across the surface of the red planet, doing what any five-year-old loves to do – stopping to look at every rock on its path.

Comet 3I/ATLAS was discovered on July 1 by the NASA-funded Asteroid Terrestrial-impact Last Alert System (ATLAS) observatory. Although it poses no threat to Earth and will remain

Cemented dunes in Gale Crater reveal evidence of late-stage water that may have preserved organic signals beneath the Martian surface.