Titan, Saturn’s largest moon, possesses a thick, nitrogen-rich atmosphere that bears striking similarities to that of early Earth. Scientists are fascinated by Titan’s atmospheric composition and its ...

A new method allows scientists to reconstruct carbon dioxide levels and photosynthesis from fossilized tooth enamel. A ...

Rather, early Earth's atmosphere "flip-flopped" between hazy and clear. The change was driven by the metabolisms of methane-producing microbes in the ocean, Zerkle told LiveScience.

A previously untapped source of data sheds new light on the climate of the early Earth: fossilized dinosaur teeth show that ...

PPT Slide Life In The Solar System Life On Earth: Earth’s Early Atmosphere Whatever life is, on Earth it originated on a planet with very different characteristics than that which Earth has today ...

Since the beginning of Earth's history, tiny particles of rock and metal from space have been hitting our planet. On clear nights, we can even see their traces as shooting stars. Trapped in layers ...

Earth is so far the only known planet on which life exists—with liquid water and a stable atmosphere. However, the conditions were not conducive to life when it formed. The gas-dust cloud from which ...

NASA’s PUNCH (Polarimeter to Unify the Corona and Heliosphere) mission has completed its final orbit maneuvers, positioning ...

It was surprising, really surprising to me,” said Benjamin Santer, a climate scientist at the Woods Hole Oceanographic Institution, “that we could have identified with high confidence a human-caused ...