Grab-and-go missions to asteroids have provided some of the most scientifically valuable samples since the Apollo ...

Choose your fighter for the origin of water on Earth! Was it always here or did it come to this planet from somewhere else in ...

What was Earth like billions of years ago? How did life emerge? And how did humanity come to dominate the planet? This video ...

Two perplexing structures deep inside Earth might be ancient remnants of our early planet. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Two ...

New research shows how RNA, a key molecule for life, may have formed on early Earth using simple chemistry and materials delivered by asteroid impacts, linking space science with the origins of life ...

With findings on Earth’s polar extremes and its innermost core, scientists shaped how we look at the planet in 2025 in ...

Two enormous structures that sit at the border between the Earth’s mantle and its core have puzzled scientists for decades, defying reigning theories of how our planet came to be. In a new study ...

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

Experiments show that lightning strikes can trigger the synthesis of basic organic molecules needed by living organisms.