The study of young stars like EK Draconis has offered fresh insights into the violent activity of our Sun in its youth. By ...

The question of when life began on Earth is as old as human culture. “It’s one of these fundamental human questions: When did life appear on Earth?” said Professor Martin Whitehouse of the Swedish ...

All life on Earth can be traced back to a Last Universal Common Ancestor, or LUCA. A study suggests that this organism likely lived on Earth only 400 million years after its formation. Further ...

People have long wondered what life was first like on Earth, and if there is life in our solar system beyond our planet. Scientists have reason to believe that some of the moons in our solar ...

Introduction : The coherence of history / Stephen Jay Gould -- The planetary setting of prebiotic evolution / Sherwood Chang -- Early environments : constraints and opportunities for early evolution / ...

Scientists have confirmed that a tiny zircon crystal is the oldest piece of the Earth's crust, at 4.4 billion years old. The crystal was discovered on a sheep ranch in Perth, Australia in 2001, but ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Here’s what you’ll learn when you read this story: All life on Earth can be traced back to a Last ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) James F. Holden, UMass Amherst (THE CONVERSATION) People have long wondered what life ...