A heat dome that baked parts of South America in late September was made much more likely and at least 1.4 degrees Celsius (2.5 degrees Fahrenheit) hotter by climate change
These mysterious spots of barren soil have fascinated scientists for years. Now evidence of their existence beyond two known locations is stirring up a fresh round of contention
Worlds around red giant stars—and others that don’t orbit any star at all—hint at an unexpected diversity of possibilities for planets and life in the universe
September shattered a record for the highest temperature anomaly of any month and could help push 2023 to be the first year to exceed 1.5 degrees Celsius above preindustrial temperatures