Earth's magnetic field and oxygen levels have increased more or less in parallel over the past 540 million years, suggesting ...

Earth’s oxygenated atmosphere and magnetic field make life possible, but scientists have discovered that there’s a hidden ...

The strength of Earth’s magnetic field and the amount of oxygen in its atmosphere seem to be correlated—and scientists want ...

The amount of oxygen in the Earth’s atmosphere makes it a habitable planet. Twenty-one percent of the atmosphere consists of this life-giving element. But in the deep past — as far back as the ...

About 90 percent of Earth’s crust is made of silicate minerals like quartz. It would only have provided a little oxygen, and only on a local level, but Hongping He and his colleagues suggest ...

According to education site Vision Learning Earth's atmosphere is composed of approximately 78 percent nitrogen, 21 percent oxygen, 0.93 percent Argon, 0.04 percent carbon dioxide as well as trace ...

Earth’s early atmosphere was stuffed with oxygen-consuming (“reducing ... may have limited the abundance of life to less than 7 percent of living mass today. This kept the population ...

The deep oceans have crossed a crucial boundary that threatens their ability to provide the surface with food and oxygen, a ...

According to the researchers, lakes and reservoirs have experienced oxygen losses of 5.5 percent and 18.6 percent ... In other words, losing oxygen in Earth’s bodies of water can unleash an ...

The amount of oxygen in the Earth’s atmosphere makes it a habitable planet. Twenty-one percent of the atmosphere consists of this life-giving element. But in the deep past — as far back as the ...

The amount of oxygen in the Earth’s atmosphere makes it a habitable planet. Twenty-one percent of the atmosphere consists of this life-giving element. But in the deep past — as far back as the ...