Smithsonian Magazine17d
Giant, Mysterious Spires Ruled the Earth Long Before Trees Did. What Exactly Are These Odd-Looking Fossils?
For more than 150 years, scientists have debated whether Prototaxites—which stood roughly 24 feet tall and 3 feet wide—were ...
Business Today1mon
'Grand Canyon’s secret revealed': Crystals rewrite 400 million years of Earth’s past
Zircon crystals found in the Grand Canyon act as “natural time capsules,” preserving details of Earth’s ancient ... Colorado River five to six million years ago, new evidence suggests ...
Here’s What Would Happen If Asteroid Bennu Hit Earth
Although the chances of impact are slim, Bennu is still one of the most potentially hazardous known asteroids in our solar ...
NASA’s Asteroid Bennu Could Cause A Global Catastrophe, Scientists Say
Bennu’s highly unlikely impact with Earth—which could happen in 157 years—could cause a global winter and drought, modeling ...
Forbes2mon
Sharks Are 50 Million Years Older Than Trees—A Biologist Explains
These apex predators have existed on Earth for over 400 million years ... like mosses and liverworts emerged around 470 million years ago during the Ordovician Period. Trees as we know them ...
New Evidence Bolsters Theory of Megaflood That Refilled the Mediterranean Millions of Years Ago
Researchers identified geological features that point to a single massive flooding event that refilled the Mediterranean Sea ...
Ancient climate reconstruction sheds light on future ocean dynamics
The Pliocene epoch, which lasted from 5.3 million to 2.6 million years ago, was a consequential time in Earth's history. The ...