A fringe new theory suggests that time is the fundamental structure of the physical universe, and space is merely a byproduct. According to Gunther Kletetschka, a geologist — not a physicist, you’ll ...

The accomplishment "paves the way for long-distance and long-duration missions where creating spare parts, construction components, and tools on demand will be essential." When you purchase through ...

Scientists with the University of California, Berkeley, have carried out successful tests of a next-gen microgravity 3D printer called SpaceCAL. The tests were carried out as part of the Virgin ...

Researchers have developed a blueprint for weaving hopfions—complex, knot-like light structures—into repeating spacetime crystals. By exploiting two-color beams, they can generate ordered chains and ...

When Rocket Lab unveiled the Rutherford engine at the 31st Space Symposium in Colorado, it looked like any other space engine. It wasn’t. Rocket Lab manufactured the Rutherford via additive ...

Tiling a space with a repeated pattern that has no gaps or overlaps (a structure known as a tessellation) is what led mathematician [Gábor Domokos] to ponder a question: how few corners can a shape ...