A world-leading designer of space robots says gigantic new rockets being tested by billionaires Elon Musk and Jeff Bezos are ...

On Episode 145 of This Week In Space, Rod Pyle and Tariq Malik meet the authors of a new book about spaceflight called "Star ...

Jeff Bezos’s Blue Origin joined the billionaire’s space race in earnest when its New Glenn rocket roared from a launch pad at ...

While SpaceX lost the upper stage of its new Starship in a flight test, the futuristic spacecraft presages a spaceflight revolution, says a leading U.S. space scholar.

Angry Astronaut and Nextbigfuture commenter are making the case that SpaceX and Elon Musk must switch to nuclear thermal rockets to colonize Mars. I will ...

In a letter to his replacement, outgoing NASA leader Bill Nelson emphasizes the agency’s activities ‘transcend the length of ...

The loss of space shuttles Challenger and Columbia, and the Apollo 1 fire bring reflection and inspiration for a new future ...

SpaceX chief executive Elon Musk heaped praise on US President Donald Trump during a rally shortly after the swearing-in.

Companies like SpaceX, Amazon's Project Kuiper, and OneWeb are deploying massive constellations of small satellites to ...

"America is leading humanity back to the Moon, onward to Mars, and into a golden age of space exploration," Nelson wrote, ...