An artist’s concept of NASA’s Advanced Composite Solar Sail System spacecraft in Earth orbit. NASA / Aero Animation / Ben Schweighart Earlier this year, NASA loaded a microwave-sized device packed ...

Solar sails represent one of the most elegant concepts in space exploration: using sunlight itself to propel spacecraft through the cosmos without any fuel. But these thin, light giants face a ...

Solar storms captured the imagination of much of the American public earlier this year when auroras were visible well south of their typical northern areas. As the sun ramps into another solar cycle, ...

Momentus Inc. (NASDAQ: MNTS), a U.S. commercial space company offering satellites, satellite components, and in-space transportation and hosted payload services, today announced that it was awarded a ...

If humankind ever travels to distant stars, we might sail there — and it might be sooner than you think. Some of humanity's oldest ships used sails to harness the power of the wind, so it seems ...