Climate change is the long-term shift in the Earth's average temperatures and weather conditions. The world has been warming up quickly over the past 100 years or so. As a result, weather patterns are changing. Since the 1980s, each decade has been warmer than the previous one, the UK Met Office says.

The Sahara Desert has expanded by about 10 percent since 1920, according to a new study conducted by University of Maryland researchers. This represents roughly an area the size of South Dakota being consumed by desert conditions over the past century.

Despite a warming climate, bone-chilling winter cold can grip parts of the U.S. In a study appearing in Science Advances, researchers found that two specific patterns in the polar vortex, a swirling mass of cold air high in the stratosphere, steer extreme ...

The constant deluge of bad news about rising global temperatures and their impacts can make it feel like the world is ending. Is it? Reading time 8 minutes If a 60-mile-wide (100-kilometer-wide) asteroid slammed into Earth tomorrow, it would render the ...

When it comes to distinguishing between weather and climate, weather generally covers short and specific timeframes and locations, while climate focuses on trends and statistical ups and downs over decades. While weather is the day-to-day, short-term state ...

Climate change has a wide range of effects on wildlife. It affects seasonal migration, reproduction times, body size and mass, and disrupts ecological processes, thereby posing challenges for the populations of some species.

Do people see climate change affecting their area? A median of 74% across nine middle-income countries say global climate change is affecting the area where they live at least somewhat, while 24% say it doesn’t impact their area much or at all.

Climate change worsened by human behavior made 2025 one of the three hottest years on record, scientists said. It was also the first time that the three-year temperature average broke through the threshold set in the 2015 Paris Agreement of limiting ...

Ammonia in penguin and seabird poop could help increase the formation of clouds. Penguins could be playing a crucial role in stabilizing the climate in Antarctica when they go No. 2, according to new research. The ammonia in penguin guano -- or poop ...

Add Yahoo as a preferred source to see more of our stories on Google. When asked to summarize the post, Grok said Trump was referencing the tragic July 4 flooding event in Texas but then provided some background information on how climate change is making ...