earth10m
Was early Earth a purple planet? Scientists say it's possible
New research suggests Earth was once a purple planet. Early microbes used retinal, not chlorophyll, for photosynthesis.
Front Page Detectives on MSN1h
Fossils of 'Early Modern Bird' Reveal It Existed Before the Asteroid Strike That Likely Wiped Out the Dinosaurs
Fossils of 'Early Modern Bird' Reveal It Existed Before the Asteroid Strike That Likely Wiped Out the Dinosaurs When a ...
Santa Rosa Press Democrat11h
Retired Petaluma educator combines art and science in creative endeavors
A retired educator, he’s also an acclaimed artist, writer, poet, creator of soundscapes, armchair scientist and philosopher, ...
Do You Need to Worry About an Asteroid Hitting Earth?
It measures 130 to 300 feet across, a pebble compared to the asteroid that killed the dinosaurs, which is estimated to have been six to nine miles in length. On the other hand, on Feb. 15, 2013, an ...
Evolving intelligent life took billions of years − but it may not have been as unlikely as many scientists predicted
Humans evolved late in Earth history. While this timing inspired the conclusion that humanlike life is a cosmic improbability ...
Earth’s First Oceans Were an Acidic Hellscape – Here’s What Happened Next
How did Earth transform from a hostile, acidic ocean world to one that nurtured life? Scientists at Yale and in Singapore ...