Earth’s moon phases cycle from month to month, waning and waxing in its constant transformation from new moon to full moon and back again. This lunar cycle happens in part because the moon does not ...

March’s “worm moon” sets behind Rocca Calascio castle and village in L’Aquila, Italy. Photograph by Lorenzo Di Cola, NurPhoto/Getty Images Earth’s moon phases cycle from month to month, waning and ...

The moon's orbit isn't a perfect circle. Instead, it's more stretched out, kind of like an oval, which means its distance from Earth varies by about 30,000 miles (48,000 km). The surface of the moon ...

The solar system holds extraordinary wonders, from Voyager 1’s historic journey into interstellar space after traveling ...

The discovery brings the total number of known Uranian moons to 29. Astronomers using NASA's James Webb Space Telescope have discovered a newfound moon orbiting icy Uranus, the seventh planet from the ...

A new Uranian moon, provisionally designated S/2025 U1, has been discovered using the James Webb Space Telescope (JWST). S/2025 U1 is estimated to be 10 kilometers in diameter and orbits Uranus ...

Many theories are rock-solid: Scientists have just as much confidence in the theories of relativity, quantum mechanics, evolution, plate tectonics, and thermodynamics as they do in the statement that ...