Elon Musk, founder and CEO of SpaceX, has advocated for a Mars-first strategy and has previously called planned missions to ...

NASA responded to news that Boeing aims to lay off up to 400 workers from its Space Launch System program. The SLS rocket ...

Critics have called the Space Launch System outdated and wasteful for years, but now, with President Trump retaking the White House, Boeing is warning its employees who work on the SLS that they could ...

The aerospace company, which is the primary contractor for the rocket's large core stage, issued the notifications as part of ...

For millions, it was an event that would be seared into their memories for the rest of their lives – on par with the Kennedy ...

Sierra Space officials announced the autonomous spacecraft successfully completed and passed testing milestones in ...

The success of SpaceX, Blue Origin and other private-sector space firms are throwing up hard questions about the direction of ...

NASA and General Atomics tested the fuel by exposing it to temperatures up to 3,000 Kelvin (4,940 Fahrenheit or 2,727 Celsius ...

This week marks two decades since the Space Shuttle Columbia tragedy ... astronauts and others killed in the pursuit of space exploration are being honored at NASA facilities around the country ...

On this day in 1995, Dr. Bernard Harris Jr. made history, stepping into the vastness of space and becoming the first African ...

It's been 39 years since the Challenger space shuttle, carrying seven people, took off from Florida's Kennedy Space Center, ...