After acting NASA Administrator Sean Duffy this month called out SpaceX for Starship delays, Elon Musk's company has come ...

In a major stride toward the future of private spaceflight, Blue Origin has conducted a powerful engine test for its ...

When the International Space Station plunges to its fiery doom in 2030, its loss to science will be incalculable, even if it ...

A retro-futuristic space truck. A nimble crustacean on wheels. A space-age dune buggy. One will win a multibillion-dollar prize to deploy on a future NASA Artemis mission. But first, we took a ride on ...

Since their arrival, there have always been people on the ISS, a continuous presence that is by far the longest in the history of spaceflight. NASA had planned to celebrate 25 years of humans on the ...

The Ingenuity helicopter from the Mars 2020 mission far exceeded its original mission of simply demonstrating controlled ...

As NASA’s moon-landing plans with SpaceX hang in the balance, other bold ideas are quietly starting to take shape.

Humans have been in space onboard the ISS continuously for 25 years. As the station nears its end, new commercial habitats ...

Experts warn that the Starship Human Landing System may be years behind schedule, but SpaceX says it has a new plan to save its Artemis 3 contract.

The ISS has “come into its own as a very sophisticated scientific laboratory,” says retired NASA astronaut Scott Kelly, who ...

The International Space Station is one of the most remarkable achievements of the modern age. It is the largest, most complex, most expensive and most durable spacecraft ever built. Its first modules ...

Cislunar space is the area between Earth and the Moon, and it's becoming contested territory. The Air Force Research Lab tracks spacecraft beyond geosynchronous orbit - basically a traffic camera for ...