A new method for manufacturing lightsails that can reach up 20% of the speed of light is making the technology look more ...

Isar Aerospace aims to revolutionize space launches with its Spectrum rocket, which uses liquid oxygen and propane for an eco ...

Isar Aerospace, based near Munich, Germany, was scheduled to make the first ever launch attempt of its Spectrum two-stage ...

Unlike Apollo—which used a single spacecraft comprising a mothership and lunar lander—Artemis III will see Orion dock with ...

Lithium-6 is essential for producing nuclear fusion fuel, but isolating it from the much more common isotope, lithium-7, usually requires liquid mercury, which is extremely toxic. Now, researchers ...