The atmosphere of Earth, commonly known as air, is the layer of gases retained by Earth's gravity that surrounds the planet and forms its planetary atmosphere. The atmosphere of Earth protects life on ...

The atmosphere interacts closely with the rest of the Earth system – including the biosphere, hydrosphere, cryosphere, and lithosphere – as well as with urban areas and societies on time scales from ...

Many human activities release polluting gases into the atmosphere, such as farming animals for food, burning fossil fuels and deforestation. Resources from the Earth Human activities use resources ...

Fossils Life processes can change the composition of the atmosphere. Fossils can tell scientists what living things were around at different times in Earth’s history. Evidence of early plants ...

"One plus one is more than two — having two data points for TRAPPIST-1b now allows us to explore alternative scenarios for its atmosphere, whether it exists or not." The innermost Earth-like ...

"Ancient Earth was nothing like our current home," explains Shungo Koyama from Tohoku University, "It was a much more hostile place; rich in metallic iron with an atmosphere containing hydrogen ...