The Cygnus NG-24 resupply mission heads to the ISS, while SpaceX and Chinese launch providers round out a busy week.
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.
NASA's AROW tool lets you follow the Orion spacecraft's every move — including tonight's historic lunar flyby, the first by humans since 1972.
On average, a planetary nebula should remain visible for some 25,000 years before its shell of gas becomes invisible.
Follow along for live updates as Artemis 2 makes its closest approach to the Moon.
Our satellite is lining up to slide south of the bright red giant star Antares; catch the pair this morning in the predawn sky.