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

A new satellite called Sentinel 5A has started sending back its first images, capturing fresh views of Earth's ozone hole.

This means that the lunar regolith could still hold a very long-term record of Earth's atmospheric history, which in turn ...

An ultra-hot rocky exoplanet may be wrapped in a dense atmosphere, defying expectations about what small planets can sustain.

This is the story of our cosmic neighborhood's front row. We explore the four rocky planets forged in the sun's heat: ...

"This work shows without a doubt that Parker Solar Probe is diving deep with every orbit into the region where the solar wind is born." ...