Antarctic penguins are breeding earlier than ever recorded, with gentoo penguins showing the most dramatic shifts as warming accelerates along the Antarctic Peninsula. Earlier breeding can create ...

Monday is Climate Emergency Day, organized by Climate Clock, a global campaign demanding the end of fossil fuels and engaging political leaders to push for real climate solutions. A group of us in ...

The experts who maintain the ominous Doomsday Clock said Tuesday that humanity is still as close as ever to global catastrophe, which could involve nuclear war, climate change, or maybe even ...

Johan Rynners / Getty Images Climate change has been blamed for many dramatic effects on our planet and our lives. Now it may even affect the measurement of time. You've probably heard of "leap ...