Houchin and his colleagues studied dozens of zircon crystals from the Jack Hills in Western Australia. These are the oldest ...

This meant subjecting microbes to minimum pressures equivalent to ten times those of the Mariana Trench, the deepest part of ...

In celebration of Sir David Attenborough’s 100th birthday, PBS will debut Life On Earth: Attenborough’s Greatest Adventure, a ...

Tiny life forms tucked into debris from an asteroid hit could catapult to other planets—including Earth—and survive, a new ...

On Earth, life thrives in some of the most seemingly inhospitable environments. Single-celled organisms like bacteria teem in the hot springs of Yellowstone National Park, where temperatures reach ...

Life’s story may stretch further back than scientists once thought. Some genes found in nearly every organism today were already duplicated before all life shared a common ancestor. By tracking these ...

Without the right oxygen balance, phosphorus and nitrogen vanish — and life can't take hold. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

Picture all of Earth’s oceans, which cover about 70% of the planet and are mostly made of hydrogen. Now multiply that by nine. That may be the amount of hydrogen in Earth’s core, possibly making it ...

Re-creating a piece of the universe in a bottle might sound like science fiction, but it’s exactly what Linda Losurdo did. Losurdo, a doctoral student in materials and plasma physics at the University ...

It's the oldest question on Earth. Where did we come from? Some people may thank a creator from above, but what if the hand that created humanity wasn't divine? What if aliens brought life to Earth?

University of Alberta provides funding as a founding partner of The Conversation CA. University of Alberta provides funding as a member of The Conversation CA-FR. Our planet is unique for its ability ...

How did life begin on Earth? While scientists have theories, they don’t yet fully understand the precise chemical steps that led to biology or when the first primitive life forms appeared. But what if ...