A NASA mission to explore a Jupiter moon believed to be ... a 1.8 billion-mile journey to Europa on a trajectory taking it past Mars and then Earth, using the planets’ gravity as a slingshot ...

K2-18b, an exoplanet 120 light-years away, may be the best hope to confirm that life exists beyond Earth. Here's what to know ...

9, 2024 — A NASA Hubble Space Telescope observation program called OPAL (Outer Planet Atmospheres ... NASA's Europa Clipper Sails Toward Ocean Moon of Jupiter Oct. 14, 2024 — NASA's Europa ...

Catch two transits of Io, spot sparkling star clusters, and view Mars at aphelion while the April Full Moon lights the sky ...

Jupiter’s four largest moons – Io, Europa, Ganymede and Callisto ... The line of what is and isn’t a moon is a bit hazy. Moons orbiting planets in the Solar System can be either ...

NASA's Europa Clipper is about to use Mars' gravitational pull to slingshot itself as it makes its way to Jupiter's fourth ... the smallest of the planet's four Galilean moons, in April 2030 ...

In March and April 2025, internet users shared a striking image that they claimed showed "Steeple Mountain," a massive point ...

Saturn surpasses Jupiter with 128 newly discovered moons, becoming the planet with the most moons in our solar system.

Io is an incredibly active and extreme place, with glistening lava lakes and volcanic eruptions shooting sulfur and magma to ...