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.

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 April 1, 1995, the Hubble Space Telescope captured an image of the Eagle Nebula (M16) that would become one of the best known photos in astronomy. Showing towering columns, up to 4 light-years tall ...

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 ...