K2-18b, an exoplanet 120 light-years away, may be the best hope to confirm that life exists beyond Earth. Here's what to know ...

Scientists just discovered a new phylum of microbes in Earth’s Critical Zone. The Critical Zone—also known as the planet’s ...

At the same time, the researchers found that the width of creep zones at these earthquakes are much narrower, both near the ...

The Earth's Critical Zone encompasses our air, water ... making up as much as 50% of the members in some cases. Surface soils, on the contrary, are far more diverse and not dominated by a single ...

K2-18b, an exoplanet 120 light-years away, may be the best hope to confirm that life exists beyond Earth. Here's what to know ...

In our solar system, Earth is one of only three planets, along with Mars and Venus, that fall within the habitable zone. On Mars ... could have existed on its surface. As of October, NASA ...