Watch how the Space Launch System rocket RS-25 undergoes a core stage engine test-fire. Credit: NASA's Stennis Space Center ...

NASA's Reactive Additive Manufacturing for the Fourth Industrial Revolution (RAMFIRE) project test-fired a 3D-printed engine ...

The powerful Vulcan faces its biggest test yet as it prepares to launch on its second national security mission from Florida.

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

These advancements in China’s reusable rocket and lunar exploration programs come as NASA prepares to launch a crew of four astronauts on a loop around the far side of the Moon as soon as next month.

There's a new space race going on, with the goal of putting humans back on the moon. China has now joined the race with some successful rocket tests.

NASA fueled its new moon rocket in one final make-or-break test Monday, with hopes of sending astronauts on a lunar fly-around as soon as this coming weekend.

ALAMEDA, Calif.--(BUSINESS WIRE)--Astra today announced it has shipped 110 satellite engine systems since January 1, 2025, surpassing a key operating milestone set when the company went private in ...

Astra today announced it has shipped 110 satellite engine systems since January 1, 2025, surpassing a key operating milestone set when the company went private in 2024. The achievement reflects a step ...

Space startup Astra has shipped 110 satellite engines over the past year and is planning a new rocket test in 2026. Credit: StockCake Space startup Astra said on Jan. 21 that it has shipped 110 ...

If the fueling test goes well, the Artemis II flight around the moon and back could take off as early as Feb. 8.

NASA says it is now targeting a March launch for its new moon rocket after encountering fuel leaks during a crucial test. The space agency announced Tuesday that the delay will allow teams to ...