A new electrochemical device holds potential to directly split carbon dioxide (CO2) into carbon and pure oxygen. The team ...

It can also be a saving grace for those who are afraid of giant insects. In a new study, scientists found that as temperatures have risen over the past half century, global beetle populations may have ...

High-altitude destinations are incredible offering stunning landscapes and unique experiences But they can also push your ...

And this is why Everest, if it were at a higher latitude, could very well be beyond the physiological limits of someone trying to climb without oxygen. Only one direct measurement of atmospheric ...

Evidence of a buildup of atmospheric oxygen first appears in rock layers ... to have existed over the past 600 million years or so. A high percentage of these -- perhaps 95 percent -- are hard ...

At the center of most large galaxies, including our own Milky Way, sits a supermassive black hole. Interstellar gas ...

At the center of most large galaxies, including our Milky Way, sits a supermassive black hole. These powerful objects sometimes enter active galactic nucleus (AGN) mode, where they pull in gas and ...

New research reveals that high-energy radiation from active galactic nuclei could foster life on distant planets by ...

Oxygen in the atmosphere is essential for ... Because of this, it’s impossible to say how high the atmosphere extends above Earth accurately. However, most scientists use around 100 km when ...

Chemical composition of ancient rocks Iron sulfide can only exist in rocks that were formed before there was oxygen in the atmosphere. Rocks containing iron oxide can only form if oxygen is present.