New research shows that climate systems like sea ice and permafrost may shift abruptly, even at 1.5°C (2.7°F) of warming.

Whether a magnet collapses abruptly or smoothly is determined by its structure. As a general rule, hard materials are simple ...

As temperatures, biodiversity losses, and sea levels rise globally, scientists are concerned about the likelihood of abrupt ...

Credit: Auyon /CC BY 3.0 Long before industrialization, abrupt shifts in India’s summer monsoon slashed plankton levels in the Bay of Bengal, halving the ocean’s surface food supply.