Science and Technology Ruby- and sapphire-like stones have been found on Mars in the Jezero crater, 3.9 billion years old, following analysis by the Perseverance rover, sparking a new race for answers. Noel Budeguer 17/04/2026 at 18:39
Science and Technology Surprising Discovery: How Volcanoes Create The Stunning Blue Sapphires That Hypnotize The World Bruno Teles 22/12/2024 at 17:39
