Geologic activity on Earth appears to follow a 27.5-million-year cycle, giving the planet a 'pulse,' according to a new study. Geologic activity on Earth appears to follow a 27.5-million-year ...

Their conclusion echoes the results of a study by researchers at the University of Sydney, published in 2018, which found the cycle lasted for about 26 million years. The last time the Earth has ...

Curtin University research has uncovered the first solid clues about the very beginning of the supercontinent cycle of Earth, finding it was kick-started two billion years ago. Detailed in a paper ...

The atmosphere is only one part of Earth's larger carbon cycle. The cycle also involves the ocean, plants, animals, rocks and decaying organisms. While the ocean absorbs vast amounts of carbon ...