Scientists are trying to understand how complex life emerged on Earth about 2 billion years ago. Our microbial ancestors could be the key.

Add Yahoo as a preferred source to see more of our stories on Google. Dead mangroves are seen partly submerged in seawater amid rising tides on August 12, 2025 in Hagonoy, Philippines. In the ...

A new study shows how simulated Mars dust affects tardigrades, offering insight into space farming and contamination risks.

This Earth Day the focus is on the global plastic pollution crisis Plastic waste is everywhere, from the deepest part of the ocean to inside human bodies Readers sent in questions on the problems and ...

Question: What is the theme of Earth Day 2025? Answer: "Our Power, Our Planet" ...

Chris Mooney is a Pulitzer Prize-winning journalist and a CNN Climate contributor. He is currently a professor of practice in the Environmental Institute at the University of Virginia. Planet-warming ...