Discover the 9 rarest moons in the solar system, from Saturn’s Titan to Neptune’s Triton. Learn about their unique phases, beauty, and NASA insights with ISS and James Webb Telescope research.

International Observe the Moon Night 2025 is upon us! Here's what to look for when the lunar disk rises above the eastern horizon on Oct. 4. Each year NASA teams up with a host of international ...

This documentary explores the bizarre characteristics of Triton, Neptune’s strange moon that defies the rules of the solar system with its backward orbit and icy geysers.

"If there is commercial value, at least based on what we now know, I would argue it's the moon's subsurface." The U.S. Defense Advanced Research Projects Agency (DARPA) is promoting a case for ...

Scientists have discovered that the far side of the Moon is colder deep within its interior than the side that always faces Earth. By analyzing rock and soil samples collected by China’s Chang’e 6 ...

Growing evidence suggests that a subsurface ocean lurks beneath the icy surface of Uranus' moon Ariel, but new research, published in Icarus, characterizes the possible evolution of this ocean, and ...

Enceladus gives researchers a unique window into its subsurface world. The Cassini mission already taught us that plumes of water ice shoot 6,000 miles into space from Enceladus. The source of those ...

The Cassini spacecraft flew by the small, icy moon in 2008, collecting information that suggests it shoots out molecules that could enable life ...

The University of Texas at Arlington is teaming up with NASA to celebrate International Observe the Moon Night this Saturday. At the free event, held in the UTA Observatory from 8:30 to 10:30 p.m., ...

For a long time, the Moon has shown us just one face. That’s because it’s tidally locked with Earth – it spins at the same rate that it orbits us, so the same side always faces our planet. The other ...

We’ve all looked up at the Moon at some point, marveling at its quiet, constant presence in the night sky. But despite how often we see it, how well do we really know it? The Moon has long held its ...