In 1977, NASA launched the twin Voyager spacecraft to probe the outer reaches of our solar system. The space agency was still in its infancy then. But with the triumph of the Apollo Moon landings just ...

For a long time, it was thought that this [technique] required telescopes in space,” says John Mather, the Nobel ...

Follow along for live updates as Artemis 2 makes its closest approach to the Moon.

The four crew members are closer to Luna than to our home world, right on course, and viewing parts of the Moon never before seen by humans.

Yesterday, the four-person Artemis 2 crew completed the first crewed lunar flyby since Apollo 17 in 1972, passing within roughly 4,067 miles of the lunar surface before turning back toward Earth. The ...

The crew was overcome with emotion as they nominated the name Carroll for a crater "in a bright spot on the Moon." ...

Before wrapping up their first flight day, the crew of Artemis 2 pulled off another feat of NASA in-flight troubleshooting: fixing their broken toilet. It might not rank as NASA’s no. 1 triumph, or ...

On average, a planetary nebula should remain visible for some 25,000 years before its shell of gas becomes invisible.

Our satellite is lining up to slide south of the bright red giant star Antares; catch the pair this morning in the predawn sky.

The brilliant planet Jupiter dazzles anyone with a clear sky. Roman observers named Jupiter after the patron deity of the Roman state following Greek mythology, which associated it with the supreme ...

Europa, now having reached the far western end of its orbit and heading back toward the planet, disappears in an occultation behind the disk of Jupiter at 11:30 P.M. EDT. If you can, get your ...