NASA loses contact with MAVEN Mars orbiter

Published on December 10, 2025

NASA has lost contact with a Mars orbiter that has circled the planet for more than a decade, collecting science data and serving as a key communications relay.

The post NASA loses contact with MAVEN Mars orbiter appeared first on SpaceNews.

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Overview Energy demonstrates technologies for space solar power

December 10, 2025
A space solar power startup has emerged from stealth after demonstrating a key technology for its plans to transmit power from space to the Earth.The post Overview Energy demonstrates technologies for space solar power appeared first on SpaceNews.

Benchmark demonstrates high-throughput ASCENT thruster in hotfire testing at Edwards Air Force Base

December 10, 2025
SAN FRANCISCO – Benchmark Space Systems’ ASCENT-fueled Macaw thruster performed a 10-minute continuous burn, clearing the way for an on-orbit application of the propulsion technology, the company announced Dec. 10. “Because ASCENT has 50% greater impulse density than other monopropellants, mission planners and spacecraft designers can get the similar delta-v [change in velocity] with less […]The p