Twisted Sifter on MSN8mon
Here’s What Earth’s First Spiders Looked Like 400 Million Years Ago
which is a true spider that dates back to 310 to 315 million years ago. Modern spiders live on every continent on Earth and ...
Smithsonian Magazine25d
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 an early lichen or fungus, like a “giant mushroom” ...
El Adelantado de Segovia1d
Goodbye to oxygen on Earth — this is the date scientists have set for when the air will no longer be breathable
Two scientists from Toho University and NASA’s Nexus for Exoplanet System Science ran computer simulations and found that ...
Forbes5mon
A Biologist Spotlights 4 ‘Invincible’ Animals That Survived The 5 Mass Extinctions
Earth 400+ million years ago. We often look at sharks with fear, but it’s equally important to recognize their evolutionary longevity—something that can be seen in their statuesque faces ...
Near-Earth asteroid Bennu could hit Earth in 157 years and set off a global ‘impact winter,’ study says
Near-Earth asteroid Bennu has a slim chance of colliding with Earth in 2182. If it does, the impact could trigger a global ...
Scientists taking 'active measures' for asteroid with slight chance of hitting earth.
YR4 has just above a 1% chance of crashing into Earth in 2032, which is why astronomers and space agencies are paying attention to it.