Fifty-six million years ago, Earth’s atmosphere filled with carbon over roughly 5,000 years, sending global temperatures ...

Abiotic chemistry in Earth’s atmosphere could have generated biologically important organosulfur molecules as life was ...

Radiation levels at airline flight altitudes briefly reached levels that could be potentially harmful to pregnant women.

Astronomers might be close to confirming the presence of an Earth-like atmosphere on an exoplanet for the first time, if more detailed analyses verify preliminary observations from the James Webb ...

A rocky planet in the Milky Way galaxy may have an atmosphere, raising the possibility that life could exist on its surface, according to experts. TRAPPIST-1e, a planet belonging to a collection of ...

A rocky, Earth-size planet located in our Milky Way galaxy may have an atmosphere around it, according to new research, raising the possibility that it could also have liquid water on its surface and ...

JWST observations of exoplanet TRAPPIST-1d reveal a lack of a substantial, Earth-like atmosphere, as indicated by a "flat" spectral signature lacking typical atmospheric molecule fingerprints (e.g., ...

As telescopes have become more powerful, we’ve been finding tons of “exoplanets”—planets orbiting faraway stars. One such planet, known as exoplanet TRAPPIST-1 d, has intrigued astronomers looking for ...

Our species likes it cold. Homo sapiens evolved in — and still inhabits — one of Earth’s rare and fragile ice ages, periods distinguished not by an abundance of saber-toothed cats and woolly mammoths ...

Hot air holds more moisture than cold air. That simple truth, while familiar to anyone who’s used a blow dryer or walked outside after a humid shower, is driving a hidden shift in how droughts behave.

New reports out of the NOAA and Scripps Institution of Oceanography suggest that the carbon dioxide (CO2) levels in Earth's atmosphere haven't been this high in millions of years. It's a striking ...

The curious minds at What If question whether Earth could survive if Jupiter suddenly lost its massive atmosphere. Trump warns Rand Paul against opposition to ‘big, beautiful bill’ North Korea deploys ...