The icy solar system comet C/2024 E1 (Wierzchos) is set to make its closest pass of Earth tomorrow (Feb. 17), an event known to astronomers as perigee. But your ability to see the ancient wanderer ...

Abstract: Orthogonal time frequency space (OTFS) is envisioned as a highly promising modulation technique due to its superior performance in high-mobility scenarios. Meanwhile, non-orthogonal multiple ...

Guardians and airmen of the 4th Electromagnetic Warfare Squadron, Mission Delta 3, participate in Space Flag 26-1 at Peterson Space Force Base, Colorado, Dec. 12, 2025. (Dave Grim/U.S. Space Force) ...

Michelle L.D. Hanlon is affiliated with For All Moonkind, Inc. a non-profit organization focused on protecting human cultural heritage in outer space. When Apollo 13 looped around the Moon in April ...

There’s a role for everyone in the fight against tyranny. Yes, even the knitters and crocheters. Craftivism, or the act of using handicrafts, art, and textiles as a form of activism, is just one way ...

NASA astronaut Suni Williams, who famously stayed in space for an extended nine-month visit because of problems with an experimental capsule, has retired after 27 years, NASA said Tuesday. Williams ...