Traditionally, only four oceans were recognized: the Atlantic, Pacific, Indian, and Arctic—each defined by the continents ...

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

Between 2003 and 2021, Earth saw a net boost in photosynthesis, mainly thanks to land plants thriving in warming, wetter conditions—especially in temperate and high-latitude regions. Meanwhile ...

Asteroid "2021 FH1" is set to whizz pass the Earth on March 21 at a zippy 30,959 miles past hour.

"The Earth system will probably be a world of anaerobic life forms." The research was published in Nature Geoscience. An earlier version of this article was published in March 2021.