In 2017, NASA celebrated 20 consecutive years of Mars exploration — the longest humankind has continuously monitored another planet. But there’s a key phrase in that statement that’s easy to overlook: ...

Explore 25 Major Events in Earth's 4.5 Billion Year History. Discover pivotal moments from its formation to the rise of life.

Celebrated worldwide, World Earth Day highlights urgent environmental challenges and the need for action. With the 2026 theme ‘Our Power, Our Planet’, it focuses on clean energy, accountability, and ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Astronomers have ...

Walking and driving around through our everyday lives, we tend to think of life on Earth as a static proposal. Rarely do people look up and think of the big universe that exists around us. We do live ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. The rotation of ...

Research conducted by NASA, in partnership with Toho University in Japan, has yielded alarming insights into the future of Earth’s habitability. Leveraging state-of-the-art supercomputer simulations ...

Earth tilted, but it had nothing to do with weird space phenomena and everything to do with how people are pumping groundwater and shipping it across the planet, a study found. The findings of a study ...