Where Earth's atmosphere merges into outer space, there lingers a cloud of hydrogen atoms called the geocorona that extends beyond the moon. Its full extent was recently revealed in old data taken by ...

This illustration provided by NASA in 2017 depicts the planet 55 Cancri e, right, orbiting its star. A thick atmosphere has been detected around the planet that’s twice as big as Earth in a solar ...

thermal characteristics (temperature changes), chemical composition, movement, and density. Each of the layers are bounded by "pauses" where the greatest changes in thermal characteristics, chemical ...

When astronauts next go to the moon, they'll find a little bit of home waiting for them. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Atoms ...

Atmospheric carbon dioxide levels jumped by a record amount in 2024 to push concentrations to their highest point since measurements began, the UN’s World Meteorological Organization (WMO) has ...

The moon's surface may be more than just a dusty, barren landscape. Over billions of years, tiny particles from Earth's atmosphere have landed in the lunar soil, creating a possible source of ...

Scientists studying the rocky exoplanet TRAPPIST-1e may have found hints of an atmosphere. If confirmed, it could be an important step toward finding a habitable world outside our solar system. When ...