Earth was mostly devoid of oxygen for much of its 4.5 billion year lifetime. That is, until certain processes started to ...

Every breath a person takes draws from a gas mixture that has barely shifted in recorded history: roughly 78 percent nitrogen ...

Radiation levels in Earth's atmosphere rose to the highest level in nearly two decades in November after a rare solar super-flare pummeled the planet with high-speed particles from the sun. The solar ...

That would have enabled more of this organic carbon—and carbonate accumulating in shallow water around Columbia—to be ...

Forbes contributors publish independent expert analyses and insights. David Bressan is a geologist who covers curiosities about Earth. Jun 30, 2025, 07:58am EDT Jul 01, 2025, 04:44am EDT For 540 ...

The average level of carbon dioxide in the Earth’s atmosphere had its largest one-year increase on record between 2023 and 2024. In 2024, the level reached 423.9 parts per million, an increase of 3.5 ...

As with any such correlation, one has to entertain the notion that said correlation might be spurious or indirectly related before assuming a strong causal link. Here it is for example known already ...

The oxygen in Earth's atmosphere is key to making ours the only planet known to harbor life, but this precious resource is in limited supply. Although it is the best-known component of the air we ...

The amount of carbon dioxide (CO 2) entering Earth's atmosphere increased by a record amount in 2024, locking in further global warming, according to a new report. CO 2 levels increased by 3.5 parts ...