Russian engineers are betting that a radically different rocket engine can compress the long slog to Mars into something closer to an interplanetary commute. Their new plasma propulsion prototype, ...

Engineers are preparing the Ariane 64 rocket for its first launch. This powerful version of the Ariane 6 will carry 32 satellites for Amazon Leo’s broadband constellation on Thursday.

With the upcoming launch, SpaceX is eager to prove Starship V3’s readiness for more ambitious test flights, including an important orbital refueling experiment considered a stepping stone toward ...