On Earth, the magnetic field acts as a shield that deflects charged particles emitted by the solar wind and cosmic rays.

The general scientific consensus was that complex life started on Earth approximately 635 million years ago. However, a new theory suggests that animal life may have instead begun around 2.1 ...

Earth's magnetic field nearly collapsed some 590 million years ago, presumably putting life on the planet's surface at risk of a rise in cosmic radiation. According to new research, the temporary ...

Most experts believe animal life began around 635 million years ago. The research adds to an ... ideas about the processes that create life on Earth. "We're saying, look, there's fossils here ...

FROM 508 MILLION YEARS AGO TO TODAYPreserved in the Burgess ... to one of the deepest and most puzzling mysteries of life on Earth. After burbling along for more than three billion years as ...

Newly discovered fossils show that moths and butterflies have been on the planet for at least 200 million years ... plants came along around 130 million years ago. Dr Russell Garwood of the ...

About 800 million years ago, oxygen levels reached about 21 percent and began to breathe life into more complex organisms. The oxygen-rich ozone layer was also established, shielding the Earth's ...

Life on Earth began over four billion years ago, not long after the Earth was ... an entire reptile order that dates back ... [+] over 200 million years. The tuatara is a fascinating reptile ...