5-degree Celsius temperature target, another critical climate threshold has been quietly slipping past acceptable limits.

A warming Arctic can stretch the polar vortex, a high-altitude air ribbon, one says. The “wobble” can disrupt the jet stream, causing extreme cold in the East.

As cities bordering the Great Lakes dig out from heavy snowfalls and local forecasts warn of more to come, scientists are uncovering a complicated future for one of North America’s most dramatic ...

It's been 70 years since Cortina first hosted the Winter Olympics in 1956. In that time, the town’s average February ...

The frigid weather gripping much of America is not unprecedented, but it feels that way. The 21st century has been unusually ...

As the planet warms, many expected ecosystems to change faster and faster. Instead, a massive global study shows that species turnover has slowed by about one-third since the 1970s. Nature’s constant ...

Add Yahoo as a preferred source to see more of our stories on Google. Illustration by Lisa Pringle This week’s question comes from Morning Brief reader Gabrielle, who asks, “Why is weather in Michigan ...

As glaciers around the world continue to shrink and disappear, they are drawing more visitors than ever, not only for their ...

In 2024 extreme rain and floods hit the Spanish region of Valencia, killing at least 230 people. Now a new study shows ...