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

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

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

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.

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 ...

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 ...

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.

While I was leading a tour of the National Air and Space Museum in January 2026, a visitor posed this insightful question: “Why has it taken so long to return to the Moon?” After all, NASA had the ...