Space exploration has changed how we look at the universe, but it's costly, and some of the most iconic NASA missions are also among the most expensive.

After 43 anxious days without pay or certainty, NASA employees are returning to work Thursday at the Johnson Space Center in Houston as the federal government reopens

Envision a time when hundreds of spacecraft are exploring the solar system and beyond. That's the future that NASA's ESCAPADE, or escape and plasma acceleration and dynamics explorers, mission will help unleash: one where small,

The asteroids are as large as around 75 and 91 feet in diameter, according to the Center for Near Earth Object Studies.

Mars is a cold, dry, desert-like planet. But billions of years ago, scientific evidence suggests that it had a thick atmosphere, which kept it warm enough to support flowing water on its surface. So, what happened to the Red Planet, and could it happen to Earth?

With NASA's International Space Station set to come out of service in 2030, American aerospace firm Vast has stepped into a frenzied race for the world's first commercial space station.

ESA said in a statement that the Artemis 4 Orion service module would begin its journey across the Atlantic Ocean "in a few days" to head to NASA's Kennedy Space Center for further integration. In 2021, ESA paid a consortium of European companies 650 million euros ($791 million) to produce Orion service modules for Artemis missions 4, 5 and 6.

The aging infrastructure of the Deep Space Network is operating at capacity and in desperate need of an upgrade. The latest news isn't helping.