After a 22-day period of solar calm, the Sun unleashed three M-class solar flares on August 3–4, 2025, all originating from active sunspot region AR 4168. These moderate flares released intense radiation, capable of briefly disrupting high-frequency radio signals and potentially sparking auroras at high latitudes. Scientists also detected likely coronal mass ejections, which may graze Earth.
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…
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…
