Mars' atmosphere is over 100 times thinner than Earth's and is primarily composed of carbon dioxide, nitrogen and argon gases.

The composition and great density of 'hot Saturn' exoplanet Smertrios are a challenge to planet formation models that the ...

The presence of apparent biological signatures on Venus has left UK-based researchers chasing down bacterial life in the ...

The amount of carbon dioxide and two other greenhouse gases in Earth's atmosphere hit record highs last year, the World Meteorological Organization said in a report published Wednesday. Carbon ...

Venus' atmosphere has led to an extreme version of the same greenhouse effect causing climate change on Earth.

Our climate seems to be more sensitive to greenhouse gas emissions than some researchers had hoped, meaning the world will ...

The James Webb Space Telescope has detected water vapor and thick clouds on LTT 9779 b, an ultra-hot Neptune locked in a ...

When it does, chemicals in the atmosphere will absorb specific wavelengths, creating a signature that we can read to learn more about the planet's composition.

The team collected bona fide evidence of an atmosphere, Seager says, but more observations are needed to determine its full composition, the relative quantities of gases present and its precise ...

ABOUT ARGON, THE INERT; The New Element Supposedly Found in the Atmosphere. DIFFERENCES IN WEIGHTS OF GASES Experiments of Lord Rayleigh and Prof. Ramsay -- Henry Cavendish and Phlogiston ...

Astronomers have long searched for rocky planets beyond our solar system with an atmosphere — a trait considered essential for any possibility of harboring life.