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.

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.

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." ...

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

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 ...

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.

Moonless spring evening skies are great for galaxy hunting. Leo is well known for its trio of bright galaxies (M65, M66, and NGC 3628), but the Lion has many more extragalactic targets to offer as ...

In 1959, having determined that military test pilots would make the best astronauts, NASA began screening the records of 508 candidates. From there the group was narrowed to 110 men who went through ...