Comet 3I/ATLAS is not just another icy visitor cutting across the night sky. As it hurtles through the inner solar system, ...

Elon Musk has built his reputation around a consistent idea that many industries are slower and more expensive than they need to be. From electric vehicles to spaceflight and artificial intelligence, ...

In response to a query from Ars about the engine test anomalies, Rocket Lab Chief Executive Officer Pete Beck downplayed concerns.

Proton rocket returns to flight. After a nearly three-year break, a Russian Proton rocket flew again with the Elektro-L No. 5 meteorological satellite from Baikonur in Kazakhstan, Russian Space Web ...

The Vulcan has launched on its second-ever national security spaceflight in what will be the biggest test yet for ULA's powerful rocket.

Kim Jong Un’s letters to Donald Trump. Jeff Bezos’s saucy texts to Lauren Sánchez. Muammar Gaddafi’s professions of love for ...

Two leading US aerospace companies, GE Aerospace and Lockheed Martin, are joining forces to create a rotating detonation ramjet engine (RDDJ). Despite a number of advantages of RDDJs—for example, the ...