Imagine waking up one morning to find that Earth’s atmosphere has vanished—gone, as if erased by an invisible hand. Suddenly, ...

Scientists are working to understand the curious phenomena of red sprites, green ghosts and blue jets high above ...

Despite a possibly thin atmosphere on early Earth, researchers found evidence of single-celled photosynthetic life on the shore of a large lake, as seen in this 2.7-billion-year-old stromatolite ...

Natural phenomena never cease to amaze people as they unfold. The advance in the study of this type of situation makes the ...

The first wave of Starlink satellites are reaching the end of their five-year lifespans and burning up in droves.

Earth as oxygenator. Earth loses about 90 tons of gas—mainly hydrogen and helium—to space every day. That’s tiny compared to the mass of our atmosphere, so there’s no cause for alarm. But ...

The first-ever analysis of the atmosphere of an alien planet classified as a so-called "super-Earth" has revealed a distant world that is likely covered with either water vapor or a thick haze ...

Mars atmosphere composition . According to ESA, Mars' atmosphere is composed of 95.32% carbon dioxide, 2.7% nitrogen, 1.6% argon and 0.13% oxygen.The atmospheric pressure at the surface is 6.35 ...

On Earth, all that water vapor belched out of volcanoes condensed in the young atmosphere into liquid water, then fell to the surface as rain. Over eons, this formed the oceans.

Early Earth's atmosphere may have been half as thick as it is today, new research suggests. Even so, the planet likely supported life, the scientists said.