Earth's oceans may have been green for billions of years until the first photosynthetic organisms flooded our atmosphere with ...

Perseverance's drives over the last few weeks have doubled back several times. Why such an unconventional route? Team ...

Some cyanobacteria have pigments that specialise in harvesting green light to power their photosynthesis, which may be an evolutionary adaptation to a time when the oceans were iron-rich and green-tin ...

At NC State University, an English professor is searching for clues from the past. He's looked back as far as the eighth ...

Ancient DNA is telling us more and more about humans and environments long past. Could it also help rescue the future?