Life on Earth may have learned to breathe oxygen long before oxygen filled the skies. MIT researchers traced a key ...

The recent study focuses on the amount of lithium left behind from a single rocket reentry. Previous studies have already ...

On Jan. 31, 1958, Explorer 1 became the first satellite launched by the United States. Its primary science instrument, a ...

Frequent deployment of satellites and re-entries by the rockets that deploy them might pose a risk to the Earth's upper atmosphere, a study indicates.

This is the first observational evidence that re-entering space debris leaves a detectable, human-caused chemical fingerprint ...

If executed at the scale, Musk's orbital data center plan could have devastating effects on the environment and the ...

Ohio will see a total lunar eclipse during the March full moon . Here's what makes it so special and when to see the blood ...

A massive earthquake knocks you off your feet. There's a blinding flash of white, and then you see a tsunami of lava rising on the horizon. A nuclear reaction has gone off the rails. And Earth’s ...

A clear breakdown of the atmosphere’s layers, from the troposphere to the exosphere, and how each one protects and shapes ...

In the whole history of Earth's climate, few events are as extreme as those that geologists call "Snowball Earth." ...

Circling the Earth are millions of pieces of debris about one-ninth of an inch and larger.