A new study has revealed a connection between Earth’s slowing rotation and the rise of oxygen in the atmosphere, a critical ...

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.

Earth's lakes are experiencing an alarming drop in oxygen levels, new research shows ... geographer Yibo Zhang and colleagues used satellite images, along with geographic and climate data ...

Was the early Earth oxygen rich? Our solar system came into being more than 4 billion years ago, when the Earth and other planets formed. was likely very hot, since it did not have an ozone layer. In ...

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.

While Earth's slowdown is not noticeable on human timescales, it's enough to work significant changes over eons. One of those ...

They started producing free oxygen 4 billion years ago, when the atmosphere started accumulating the gas. Was there more oxygen in the Jurassic period? The increase in oxygen levels around 215 million ...