Smithsonian Magazine7h
How Enormous Glaciers on the Frozen ‘Snowball Earth’ Might Have Bulldozed the Path to Complex Life on Our Planet
A new study suggests glaciers carved metals out from the Earth’s surface 700 million years ago, leading to chemical reactions ...
Sidetrack Adventures on MSN13h
Ancient Messages in Stone – Exploring Arizona’s Painted Rock Petroglyphs
Hidden in the Arizona desert, the Painted Rock Petroglyph Site holds thousands of ancient carvings, left behind by civilizations long gone. What do these mysterious symbols mean? Join us as we uncover ...
Earth’s oldest impact crater was just found in Australia – exactly where geologists hoped it would be
We have discovered the oldest meteorite impact crater on Earth, in the very heart of the Pilbara region of Western Australia.