A team of astrophysicists, geoscientists, chemists and life scientists affiliated with a host of institutions in Japan has ...

Although the Earth’s been decidedly blue for 600 million years, rising populations of phytoplankton caused by rising ...

For most of human history, Earth has been known as the “Pale Blue Dot,” a term popularized by astronomer Carl Sagan when ...

A new study published by an international team of researchers led by Taro Matsuo, an astrophysicist at Nagoya University in Japan, argues that this evolutionary trend made sense 3 billion years when ...

For a long stretch of Earth’s history, our planet might have looked green from a distance, instead of the pale blue dot we know today. Earth’s green period, which lasted from around 3 billion ...