Only three of these aircraft were built, with one being destroyed and two operating successfully. The X-43 testbed aircraft ...

Boeing has been working toward flying astronauts to the International Space Station under NASA’s Commercial Crew Program since 2014.

In the early 1930s, Swiss astronomer Fritz Zwicky observed galaxies in space moving faster than their mass should allow, ...

Boeing and NASA have agreed to keep astronauts off the company's next Starliner flight and instead perform a trial run with ...

Sen. Mark Kelly (D-Ariz.), a former NASA astronaut, is under investigation for his participation in a short video reminding ...

Portal Space Systems and its CEO, Jeff Thornburg, aim to commercialize a decades-old spaceflight concept called solar thermal ...

Major space missions in 2025 are reshaping exploration. Here's a detailed look at key NASA missions, global projects, and the ...

A subset of AI called reinforcement learning is helping scientists improve nuclear fuel technology, which they could use to ...

President Trump calling out the Dem senator from Arizona may raise the question: Who is Mark Kelly? Navy captain, astronaut, ...

NASA has an audacious plan to save a space telescope by using a rocket launched midair from a former passenger airliner.

Rumors of its biological origins have been greatly exaggerated, but comet 3I/ATLAS is still very worth paying attention to.

The administration’s ongoing push to close labs and facilities at the Goddard Space Flight Center “risks permanently degrading Goddard’s scientific and technical capabilities with these moves,” ...