China is quickly closing the gap on Elon Musk’s reusable rockets in a way that should worry him more than any single ...

A risky plan to turn night into day is one step closer to reality. Last week, US officials approved a mission to launch a giant mirror into space, where the device will reflect sunlight onto shadowed ...

Starship Flight 13 launches Thursday from Starbase, Texas, with SpaceX targeting its first in-space Raptor Vacuum engine ...

Typically, astronomers identify comets by their distinct atmospheres, or comae, and their tails, which are created as the sun ...

Orbital cryogenic propellant depot technology has stalled for decades because no validated in-space data exists on how liquid ...

This is the second of three feature articles Ars is publishing to explore the financial, technical, and competitive ...

Momentus (MNTS) stock buy case: water-based MET propulsion moat, strong cash & debt-free balance sheet, and government upside ...

China has successfully recovered an orbital rocket booster via controlled descent for the first time, breaking what some see as the long-standing monopoly held by American commercial aerospace. During ...

China successfully recovers rocket in Long March 10B's maiden flight, marking breakthroughs in rocket reusability.

A Chinese Long March 10B rocket aced its debut launch on Friday (July 10), sending a satellite to orbit and coming down for a ...

China successfully recovered a rocket booster at sea on Friday, marking the country’s first controlled landing of an orbital-class first stage and making China only the second nation, after the United ...

Canada just greenlit a floating tidal turbine for the Bay of Fundy — the same stretch of water that has shredded, sunk, or bankrupted every anchored machine that tried to tame it, and one of those ...