An Extremely Powerful Cosmic Ray Hit Earth: We Don't Know Where It Came From

Earth's Earliest Rocks Forged by Colliding Tectonic Plates

Is it too late to keep global warming below 1.5 °C? The challenge in 7 charts - Chances are rapidly disappearing to limit Earth’s temperature rise to the globally agreed mark, but researchers say there are some positive signs of progress.

'Sunspot archipelago' 15 times wider than Earth could soon bombard us with solar storms