The Miralga impact crater in Western Australia, once thought to be Earth’s oldest at 3.5 billion years, has now been redated to after 2.7 billion years ago. With a revised diameter of just 16 kilometers, the structure no longer supports theories of early crust or life formation, but remains scientifically valuable for studying Mars-like planetary geology.
In July 2025, a massive 8.8 earthquake off Russia’s Kamchatka Peninsula triggered eruptions in seven volcanoes, including Klyuchevskaya Sopka and Shiveluch. Scientists called the rare multi-eruption event a “parade of…
A new study proposes that life may exist far from sunlight in a “radiolytic habitable zone” deep beneath the icy surfaces of Mars, Europa, and Enceladus. Cosmic rays, which can…
