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 Scientists discover rare ‘super-Jupiter’ planet with 180-day long orbit Astrobitica July 8, 2026 Phys.org Heat-shrinking materials get cleaner production route with lower temperatures and finer particles Astrobitica July 8, 2026 Phys.org Image: Hubble captures star-studded cluster Astrobitica July 8, 2026