Various incredible natural phenomena exist across Earth's surface. Rare and unexpected natural wonders occasionally become ...

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 ...

From the beginning of time to the origins of life, our "when" special series tackles the timing of crucial events and the ...

Scientists accidentally discovered that the Earth's inner core might not be how we thought it was - and it could affect the length of a day.