And in 2013, a 20-meter-wide (66-foot-wide) asteroid entered Earth’s atmosphere over Chelyabinsk, Russia. It exploded in the air, releasing 20 to 30 times more energy than that of the first ...

New research finds that greenhouse gas emissions are cooling and contracting the thermosphere, reducing atmospheric drag on ...

It is widely believed that Earth's atmosphere has been rich in oxygen for about 2.5 billion years due to a relatively rapid increase in microorganisms capable of performing photosynthesis. Researchers ...

Climate change isn’t just warming the planet—it’s reshaping space. As greenhouse gases trap heat in the lower atmosphere, the ...

The United States Space Force’s secretive X-37B space plane touched down to earth on Friday after spending 434 days in orbit conducting mysterious tests. The unmanned Boeing-made aircraft landed ...

On December 3, 2024, a small asteroid, C0WEPC5, measuring about 27 inches in diameter, was detected just hours before entering Earth's atmosphere. The asteroid disintegrated harmlessly over ...

The solar system moved through a star-forming area near Orion. This event might have increased interstellar dust around Earth ...

A spacecraft's sample return capsule was detected entering the Earth's atmosphere using acoustic sensors by a team of scientists from the Los Alamos National Laboratory and Colorado State University.

Starlink satellites burn up, creating artificial meteor showers—but they release aluminum oxide, potentially damaging Earth’s ...