For much of its first two billion years, Earth was a very different place: oxygen was scarce, microbial life ruled, and the sun was significantly dimmer than it is today. Yet the rock record shows that vast seas covered much ...
The massive Kaskawulsh Glacier in northern Canada has retreated about a mile up its valley over the past century.
Earth's mantle is made of solid rock that nonetheless circulates slowly over millions of years. Some geologists assume that this slow circulation would have wiped away any geochemical traces of Earth's early history long ...
Researchers have found evidence of how ancient Britain separated from Europe, which happened in two stages, they report today in Nature Communications.
William Blake may have seen a world in a grain of sand, but for scientists at MIT the smallest of all photosynthetic bacteria holds clues to the evolution of entire ecosystems, and perhaps even the whole biosphere.
New NASA research reveals that the giant Martian shield volcano Arsia Mons produced one new lava flow at its summit every 1 to 3 million years during the final peak of activity. The last volcanic activity there ceased about ...
An international team of researchers discovered that inorganic chemicals can self-organize into complex structures that mimic primitive life on Earth.
New research investigating the transition of the Sahara from a lush, green landscape 10,000 years ago to the arid conditions found today, suggests that humans may have played an active role in its desertification.
Explaining a 'once-in-a-billion-year event': A perfect storm of fire and ice may have led to snowball Earth
What caused the largest glaciation event in Earth's history, known as 'snowball Earth'?Geologists and climate scientists have been searching for the answer for years but the root cause of the phenomenon remains elusive.