Phys.org Giant magnetofossils suggest ancient ocean life had built-in ‘GPS’ and may shed light on Mars particles Astrobitica October 20, 2025 (Last updated: October 20, 2025) 1 minute read Some ancient marine organisms produced mysterious magnetic particles of unusually large size, which can now be found as fossils in marine sediments. About the Author Astrobitica Administrator Visit Website View All Posts Post navigation Previous: Virtual particles: How physicists’ clever bookkeeping trick could underlie realityNext: SpaceX launches 10,000th Starlink satellite, with no sign of slowing down Related Stories Phys.org Astronomers catch hot birth of galaxy cluster more than 11 billion light-years away Astrobitica August 19, 2026 Phys.org Mars attacks: How much dust from the red planet is safe to breathe? Astrobitica August 18, 2026 Phys.org NASA’s LRO images Falcon 9 crater on moon, learns new details Astrobitica August 18, 2026