As Earth approaches warmer levels experienced earlier in its geologic history, it may be bad news for human survival.

Projections of our future under climate change paint a picture of extreme weather and acidified oceans, a world many of today ...

NEW DELHI: India’s capital New Delhi was jolted awake Monday by powerful tremors from a magnitude 4.0 earthquake, with its ...

For most of its history, Earth has existed in a greenhouse state—warm, ice-free, and rich in atmospheric carbon dioxide. The ...