Long before the full moon rises, shifting sunlight transforms the lunar surface into one of the sky's best telescope targets.

The route is not built for speed. During Artemis 2, the Orion spacecraft followed a roughly 10-day free-return path, flying ...

For decades, astronomers have tracked a small group of space rocks that share Earth’s orbit around the sun. Among them, ...

An international team of researchers say they've found a more efficient route from Earth to the moon using advanced computer ...

May 2026 will feature two full moons, one on May 1 and another on May 31. The second full moon in a single calendar month is known as a blue moon. At least one of May's full moons will be a micromoon, ...

A blue Moon happens because the lunar cycle does not perfectly match the calendar year.

NASA has unveiled early details of its Artemis III mission, which in 2027 could send astronauts to Earth orbit to set the ...

Astronomers say the upper stage of a Falcon 9 rocket that launched in early 2025 will strike the Moon later this summer, likely on the near side of the Moon. Bill Gray, who writes the widely used ...

When is the full moon? Everything you need to know about May’s full flower moon — including exactly when it’s full and the best evening to see it rise during dusk.

Neptune’s third-largest moon, Nereid, could be an intact survivor from the planet’s original satellite system, upending ...