In this animated discussion, Venus, Mars, and Mercury explore the unique characteristics of Earth, focusing on why it is the only planet in the Solar System capable of supporting life. The ...

Earth is so far the only known planet on which life exists—with liquid water and a stable atmosphere. However, the conditions were not conducive to life when it formed. The gas-dust cloud from which ...

The Earth's magnetic field and oxygen evolved together over 540 million years, according to a major NASA study.

Early Earth may not have had the right ingredients for life — until a nearby Mars-size planet crashed into it, two new studies hint. When you purchase through links on our site, we may earn an ...

For over half a billion years, Earth’s magnetic field has risen and fallen in sync with oxygen levels in the atmosphere, and scientists are finally uncovering why. A NASA-led study reveals a striking ...

The odds of discovering another Earth are looking slimmer than once believed. A growing body of evidence suggests that truly ...

Particles from Earth’s atmosphere may be preserved in the Moon's soil, offering a long-term record of Earth’s atmospheric ...

Scott Saleska receives funding from National Science Foundation, NASA, and U.S. Department of Energy. Ghiwa Makke receives funding from National Science Foundation and U.S. Department of Energy. Chris ...

Updated models suggest only 60,000 to 250,000 Earth-like habitats may exist in the Galaxy, with far fewer capable of ...

Our sun is about halfway through its life, which means Earth is as well. After a star exhausts its hydrogen nuclear fuel, its diameter expands more than a hundredfold, engulfing any unlucky planets in ...