Scientists have discovered a new phylum of microbes in Earth's Critical Zone, an area of deep soil that restores water quality. Ground water, which becomes drinking water, passes through where these ...

The molecules, while not a direct sign of life, still signal the existence of complex chemistry on the Red Planet.

The Antarctic sponge may be the oldest animal on Earth, living up to 15,000 years. In the icy waters of Antarctica, ...

Under microscopes, scientists found that giant single-cell organisms were able to vacuum up more food when they are stuck together.

For more than a decade, a robotic explorer has been traveling across Mars, quietly collecting clues about a time when the Red ...

Scientists have debated where Prototaxites belong in the tree of life for over a century, but now a new study suggests it ...

NASA’s Curiosity rover has unearthed the largest organic molecules ever detected on Mars—possible fragments of fatty ...

Scientists don't call it the "Great Dying" for nothing. About 252 million years ago, upward of 80% of all marine species ...

The molecules may be remnants of fatty acids, which form cell membranes in Earth’s organisms, though they might have formed ...

Scientists analyzed a sample, which likely contained fatty acids, that transformed into alkanes during the heating process ...

Violent supernovas may have caused two of Earth’s largest mass extinctions that have never been completely explained, according to a theory put forward in new research.During the final stages of ...