For centuries, humanity has pondered one of the greatest mysteries: how did life begin on Earth? Traditional theories have ...

When scientists look to the skies for clues about life's origins, water is one of the first things they seek. Life, as it's understood today, requires water, making its cosmic origins a significant ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Water is at the center of one of the enduring questions about how ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. In the 1931 movie ...

The building blocks of life on Earth may have been fueled by tiny sparks hopping between water droplets. Four billion years ago, Earth was a lifeless world, but a dynamic one. Crashing waves, rushing ...

Earth formed around 4.54 billion years ago. Knowing how old Earth is can be more difficult to confirm because Earth's age is not only based on the age of rocks, but also the isotopic estimates of what ...

For now, life thrives on our oxygen-rich planet. But Earth's atmosphere won't always be so welcoming. In fact, scientists predict that Earth will eventually undergo a drastic atmospheric shift—one ...

New research has found that amino acids, the building blocks of life, may have traveled to Earth on interstellar dust grains, potentially helping kickstart biology as we know it. In a recent study ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London.View full profile Alfredo has a PhD in Astrophysics and a Master's in Quantum ...