The growth of vast forests removed significant amounts of carbon dioxide, resulting in atmospheric oxygen levels potentially ...

For millions of years, Earth’s moving plates have sculpted continents, carved oceans, and built massive mountain ranges. Yet some of these giant structures vanished deep into the mantle, hidden from ...

Earth has existed for so long (about 4.5 billion ... The Phanerozoic Eon is divided into the three eras. The oldest is the Paleozoic Era, which means ‘ancient life’ and occurred between ...

3 min read The Cambrian period, part of the Paleozoic era, produced the most intense burst ... were among the most successful organisms ever to populate Earth. These familiar marine arthropods ...

Therapsids, the ancient relatives of mammals, once roamed Earth in great numbers during ... During the late Paleozoic, they played a major role in life on land, long before dinosaurs appeared.

The chambered nautilus has been swimming Earth’s oceans for over 500 million years ... Today’s nautilus would be immediately recognizable to a marine biologist from the Paleozoic era, making it one of ...

A recent study shows that marine oxygen levels were crucial to the evolution of early Paleozoic trilobite body size, ...

Kosmos 482, a Soviet-era probe, is reentering Earth this month. Launched in 1972 for a Venus mission, it failed to escape Earth's gravity. Satellite trackers are monitoring its descent.

A Soviet-era spacecraft, Kosmos 482, launched in 1972, made an uncontrolled reentry into Earth's atmosphere after a failed Venus mission. While Russian authorities indicated it fell into the ...

A Soviet-era spacecraft plunged to Earth on Saturday, more than a half-century after its failed launch to Venus. Its uncontrolled entry was confirmed by both the Russian Space Agency and European ...

A Soviet-era spacecraft plunged to Earth on Saturday (May 10, 2025), more than a half-century after its failed launch to Venus. The European Union Space Surveillance and Tracking confirmed its ...