Strange cone-shaped rocks led scientists to the hidden remains of one of Earth’s oldest asteroid impacts. It could help us find fossil life on Mars.

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

Scientists have unearthed in Arizona fossils from an assemblage of animals, including North America's oldest-known flying reptile, that reveal a time of transition when venerable lineages that were ...

The Earth as we know it today is the result of billions of years of geological activity, where continents have shifted, collided, and broken apart over time. But what did Earth look like in its early ...

The oceans were also bigger back then which helped in making Earth look like a green marble. This pale green dot lasted from about 3 billion to 600 million years ago.

Bryson, a co-author on the study published earlier this month in Icarus, and his colleagues investigated an enstatite chondrite meteorite from Alaska known as LAR 12252. While a previous study of ...

NASA has succeeded in returning its first sample of an asteroid to Earth, as the OSIRIS-REx mission released its capsule containing a sample taken from the asteroid Bennu early this morning.

Blue Ghost's first look of the eclipse came at about 1:30 a.m. EST Friday from the spacecraft's landing site in Mare Crisium, a 300-mile-wide basin on the near side of the moon believed to have ...

Just like today, early life on Earth was therefore dependent on nitrogen fixation by microbes. In other words, on their conversion of atmospheric nitrogen into nitrogen compounds that living ...

Scientists believe that sometime between 3 billion and 600 million years ago, Earth’s oceans had a very different appearance. Instead of reflecting blue light, they may have been glowing green ...

All of which raises questions about what the snowball Earth might have looked like in the continental interiors. A team of US-based geologists think they've found some glacial deposits in the form ...