Video shows NASA's futuristic solar sail technology prototype. Like a sail on the ocean propels a boat with the wind, this space sail is meant to propel payloads by harnessing the pressure of sunlight.

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 NASA contract to support the Space Storms Solar Sail Sentinel Demonstration Study for a potential mission based on the cislunar-capable Vigoride spacecraft platform.

NASA astronauts Jessica Meir and Chris Williams prepared the International Space Station for the addition a new solar array during a spacewalk on Wednesday, March 18, 2026.

NASA’s Parker Solar Probe completed its 27th close approach to the Sun on March 11, again matching its record distance of 3.8 million miles (6.2 million kilometers) from the solar surface.

NASA outlines how Artemis II astronauts are monitored for solar particle events during their lunar mission, including spacecraft shielding, real-time tracking, and onboard radiation detection systems.

Mars didn’t always look like the barren world we see today. Over billions of years, the Sun’s solar wind stripped away much of its atmosphere, helping transform it from a warmer, wetter planet into a frozen desert.

NASA’s historic asteroid experiment has revealed an unexpected outcome. Scientists now report that the Double Asteroid Redirection Test (DART) did more than alt

NASA’s Parker Solar Probe completed its 27th close approach to the Sun in March 2026, gathering data from the corona to improve understanding of solar wind and space weather.

NASA’s twin ESCAPADE spacecraft will uncover how the Sun stripped Mars of its atmosphere. Mars is a very different world today than it once was. Scientists believe the planet used to have a thicker atmosphere,