At Death Valley’s Racetrack Playa, the sailing stones show signs of movement, etching trails in the dry lake bed. It was a mystery until quite recently.
A new study from an international team of researchers says that 2 huge blobs inside Earth came from the collision with the planet Theia billions of years ago.
Iceland declared a state of emergency on November 10, 2023, near Fagradalsfjall volcano, dormant for 800 years until 2021. Now it looks poised to erupt again.