Earth's early climate lacked oxygen, which made it impossible for many creatures to survive. How did Earth's atmosphere become oxygen-rich? What is the chemical composition of the Earth's atmosphere?

Scientists are not sure how much metallic dust remained in the atmosphere after the most recent SpaceX rocket 'disassembly.' ...

Scientists have discovered that the Earth’s atmosphere is getting better at removing air pollution, including methane, one of the most powerful greenhouse gases. This new research, published in Nature ...

The Earth's atmosphere has strengthened its ability to remove air pollutants, including the potent climate-warming gas ...

The Earth has a layered structure made up of the core, the mantle and the crust. Different elements are present in different parts of the Earth’s structure. The crust is made from enormous ...

NASA estimates that there are nearly 6,000 tons of space junk in low Earth orbit, moving around our planet at speeds up to 18 ...

A thick atmosphere made mostly of carbon dioxide covers Venus, trapping heat and raising surface temperatures. Clouds on Venus form from sulfuric acid. Earth's atmosphere is 77 percent nitrogen ...

Ranging from September 2004 to December 2023, it spans multiple levels of the atmosphere from ground level up to the lower edge of space, about 110 kilometers above Earth's surface. The region ...

Fortunately, the Starship upper stage is made of stainless steel and not ... to damage ozone and change the reflectiveness of Earth's atmosphere. In recent years, the number of satellites orbiting ...