NASA's Advanced Composite Solar Sail System (ACS3) will be visible from the ground. Find out when you can see it on the NASA ...

NASA has launched the latest attempt to test solar sail propulsion technology. The ACS3’s solar sail is made of a reflective polymer and is held by a boom made of carbon fiber composite material.

Opterus has received a $10.2 million Small Business Innovation Research (SBIR) Phase III contract from NASA to provide the structural deployment system for the agency's next solar ...

SAN JOSE, Calif.--(BUSINESS WIRE)-- Momentus Inc. (NASDAQ: MNTS), a U.S. commercial space company offering satellites, satellite components, and in-space transportation and hosted payload services, ...

Solar sails have some major advantages over traditional propulsion methods—most notably, they don't use any propellant. But, how exactly do they turn? In traditional sailing, a ship's captain can ...

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Spacecraft outfitted with sails and propelled by the sun are no longer the stuff of science fiction or theoretical space missions. Now, a Rochester Institute of Technology researcher is taking solar ...