Hundreds of communities across the U.S.—many in unexpected places—are at risk from an urban wildfire like the one that tore through the Hawaiian town of Lahaina
Hurricane Hilary is set to cause torrential rains and flooding in the desert Southwest. It could even potentially bring California its first direct hit from a tropical storm since 1939
Magnetars possess magnetic fields that are trillions of times stronger than those of ordinary stars. Now we might have seen one of these extraordinary objects about to form