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

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

Crew begins a seven-hour lunar observation as NASA returns to the moon’s neighborhood for the first time in decades.

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

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

The Cygnus NG-24 resupply mission heads to the ISS, while SpaceX and Chinese launch providers round out a busy week.

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.

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 Sky This Week from February 20 to 27: The Moon grazes the Pleiades Sky This Week, The Sky This Week ...

The countdown has begun. The crew is ready. And barring any last-minute hiccups, four astronauts on Wednesday will begin a journey that sends them farther from Earth than any human has gone before.

Exciting planetary action takes place this month. Venus and Uranus vie for attention and lie close to each other in late April. Jupiter offers a lot to observe through a telescope, particularly events ...

NASA's Artemis 2 takes center stage this week as four astronauts prepare to become the first humans to travel to the Moon since 1972. SpaceX continues its Starlink cadence, while Russia's new Soyuz 5 ...