“Our existence is probably not an evolutionary fluke,” says Jennifer Macalady, a study co-author and microbiology professor ...

For decades after the concept of biodynamic farming was introduced in 1924, there was an aura of witch and wizard mysticism ...

It begins with a little-known fact. There was a time when there were not three paragraphs in the prayer we call the Shema, ...

The cool conditions which have allowed ice caps to form on Earth are rare events in the planet's history and require many ...

Throughout Earth's history, ice caps have been very rare, but a model of the past 420 million years suggests an explanation ...

How did Earth transform from a hostile, acidic ocean world to one that nurtured life? Scientists at Yale and in Singapore ...

Asteroids that orbit close to the Earth inevitably cause us some anxiety due to the even remote possibility of a collision.

A new study highlights how life possibly evolved prior to and during the rise of Earth’s oxygenated atmosphere.

Extensive evidence, including global temperature and sea ice data, shows Earth's climate is changing due to human activity.

(THE CONVERSATION) Long before the current political divide over climate change, and even before the U.S. Civil War (1861-1865), an American scientist named Eunice Foote documented the underlying ...