The phenomenon of a Full Moon arises when our planet, Earth, is precisely sandwiched between the Sun and the Moon. This ...

The object dubbed Earth's "second moon" is actually a quasi-satellite that's accompanied the planet since 1957 — not a true ...

Sky This Week is brought to you in part by Celestron. Friday, January 23Pluto reaches conjunction with the Sun at 5 A.M. EST.

Harness the new and full moon schedule of 2026 to make positive changes in your life.

Jupiter's moon count reaches 95+ official satellites. Explore the history of the Jovian system, from Galileo to the latest NASA discoveries.

Research into Jupiter’s moons shows Io and Europa did not evolve apart but formed with opposite compositions from the ...

While Io, the most volcanically active moon in the solar system, appears completely dry and devoid of water ice, its neighbor ...

Another full turn around the sun means another year of full moons, supermoons and even a rare blue moon. Here's when to see them in 2026.

That would make it thousands of times more massive than any moon orbiting a solar system plane  — so massive it could make ...

Our moon goes through phases, sometimes turning red or disappearing into shadows. Here's what you need to know about the full moon. Amanda Kooser Freelance writer Amanda C. Kooser covers gadgets and ...

Mars’ moons could be the remains of an ill-starred asteroid that got too close to the Red Planet. A shredded asteroid origin could help explain mysterious features of the small, odd-shaped moons, ...