A team of astrophysicists, geoscientists, chemists and life scientists affiliated with a host of institutions in Japan has found evidence that billions of years ago, the Earth's oceans were green.

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 ...

The event will also feature the presentation of the Dan Aukofer Earth Day Rockstar Award as part ... For more details, visit the Rock the Green website.

Instead, they were a striking shade of green, shaped by ancient microbial life and the chemical composition of early seas. Now, scientists warn that Earth’s oceans may be shifting back to a ...