Earth's Atmosphere
Latest about earth atmosphere
![KFC](https://cdn.mos.cms.futurecdn.net/8XHFLBezyu6rP9mHmKrxE4-320-80.jpg)
Chicken Sandwich Takes One Giant Leap for Food-Kind
By Calla Cofield published
In what appears to be a historic first, a chicken sandwich was successfully carried to the edge of space today aboard a high-altitude balloon.
![Artificial clouds should be visible shortly after 9 p.m. EDT on June 12 from New York to North Carolina if a NASA sounding rocket launches on time from the agency's Wallops Flight Facility in Virginia.](https://cdn.mos.cms.futurecdn.net/Y3MyhRQtj5j9C2rnjLnZiZ-320-80.jpg)
NASA Rocket to Create Colorful Artificial Clouds Over US East Coast Tonight (Watch Live)
By Mike Wall published
![An artistic conception of the early Earth.](https://cdn.mos.cms.futurecdn.net/o4P479hJeZc76Fqqgbu5Ba-320-80.jpg)
Odd New Theory Explains How Early Earth Got Its Oxygen
By Jesse Emspak published
One of the still-unsolved mysteries about Earth's history is how the planet became breathable. Now, scientists say the culprit may have been the giant rock slabs that make up Earth's outer shell.
![atmosphere](https://cdn.mos.cms.futurecdn.net/Vk8VvnHSK4gfHbbHffrCRY-320-80.jpg)
Ammonia Detected in Earth's Atmosphere for First Time
By Laura Geggel published
In an unexpected first, researchers have discovered ammonia in the troposphere, Earth's lowest atmospheric layer, a new study finds.
![Ice Core Drilling Station](https://cdn.mos.cms.futurecdn.net/yaXJswZaut9gDfZaid85WR-320-80.jpg)
Earth's Atmospheric Oxygen Levels Continue Long Slide
By Charles Q. Choi published
Atmospheric oxygen levels have declined over the past 1 million years, although not nearly enough to trigger any major problems for life on Earth, a new study finds.
![Radar echoes plotted over the course of two days show how the signal emerged at dawn, descended toward the ground, and then rose again over the course of the day.](https://cdn.mos.cms.futurecdn.net/9MZfdfFujhgJtpppg8edNM-320-80.jpg)
Mystery of Bizarre Radar Echoes Solved, 50 Years Later
By Jeanna Bryner published
Weird radio echoes that appear at dawn every day over an observatory in Peru have long baffled scientists, until now.
![Micrometeorite](https://cdn.mos.cms.futurecdn.net/qHDaXxsFMu2KDH6LqV7Dfn-320-80.jpeg)
Cosmic Dust on Earth Reveals Clues to Ancient Atmosphere
By Charles Q. Choi published
The oldest space dust yet found on Earth suggests that the ancient atmosphere of Earth had significantly more oxygen than previously thought, a new study finds.
![layers of Earth's atmosphere](https://cdn.mos.cms.futurecdn.net/RskdAt4kmNxfpY9Bx2f8Rb-320-80.jpg)
Missing Electrons in the Atmosphere Possibly Found
By Tia Ghose published
The mysterious disappearance of electrons in the atmosphere could be caused by meteors burning up in the sky, new research suggests.
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