The vernal equinox occurs as Mercury stands still in Pisces and several of Jupiter’s moons transit in the sky this week.

Europa is the sixth largest satellite in our Solar System and the smallest of Jupiter’s four Galilean moons. Discovered by ...

Using data collected by NASA's Juno spacecraft as it flew past Jupiter's highly volcanic moon Io in late 2023 and again in ...

Io’s long-debated magma ocean may not exist. Juno spacecraft data reveals that tidal forces deform the moon differently than ...

Using data collected by NASA’s Juno spacecraft as it flew past Jupiter’s highly volcanic moon Io in late 2023 and again in ...

NASA's Voyager 1 spacecraft discovered active volcanoes on Jupiter's moon Io. Before Voyager 1 flew by Io, scientists ...

The dividing line between gas giant planets and failed stars is blurry at best. The isolated planetary-mass object SIMP ...

NASA’s Juno spacecraft identifies over 40 enormous lava lakes on Io, shedding light on the extreme volcanism sculpting Jupiter’s moon.

The Solar System is a vast and varied landscape offering an array of planetary and moonscape phenomena unlike anything found ...

A total lunar eclipse occurs this month. Venus transitions from evening to morning, while Mars and Jupiter dominate the late ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Space.com / Josh Dinner CAPE CANAVERAL, Fla. — A new SpaceX rocket launched a ...

Zhurong, a Chinese rover that landed on the edge of this region in 2021, used ground-penetrating radar to probe for signs of a past shoreline buried deep beneath the surface. The rover detected a ...