As Mario Livio and Jack Szostak point out in “Is Earth Exceptional? The Quest for Cosmic Life,” the experiment also created ...

However, light that leaves our star also contains UVC radiation, which has a shorter wavelength than UVA or UVB light and ...

How did Earth, alone among the solar system's rocky planets, become the home for life? How, among all this frigid ...

Life outside our solar system may be found within just a few years, thanks to the discovery of a new class of super hot, Earth-like planets, according to astronomers from the University of Cambridge.

All life on Earth can be traced back to a Last Universal Common Ancestor, or LUCA—and it likely lived on Earth only 400 million years after its formation.

Using their new model, Korenaga and Guo estimated that it would have taken Earth 500 million years to neutralize ocean acidity enough to support life. Pockets of water with more neutral pH levels may ...

Life is resilient. The first living things on Earth appeared as far back as 4 billion years ago, according to some scientists. At the time, our planet was still being pummeled by huge space rocks ...

The origins of how life on Earth arose remains a deep existential and scientific mystery. It’s long been theorized that our planet’s plentiful oceans could hold key to the secret.

It’s possible that life on Earth may have started here repeatedly and around the same time at different spots on the globe, says one prominent astrobiologist. Newsletters Games Share a News Tip.

Exactly How Much Life Is on Earth? According to a new study, living cells outnumber stars in the universe, highlighting the deep, underrated link between geophysics and biology. Share full article ...

Earth was so cold at the time that the oceans were frozen all the way to the equator, and life only existed in the oceans and on continental shelves, study co-author Donnelly Archibald, of St ...