Scientists have discovered a person-sized sea scorpion that lived 467 million years ago.
Posts by EarthSky
Pioneer 11 was the first spacecraft ever to encounter Saturn. It paved the way for the even-more-sophisticated Voyager and Cassini spacecraft.
September’s birthstone, the sapphire, was said to represent the purity of the soul.
Years of data on storms and sea surface temps show a correlation between a warm North Atlantic Ocean – more destructive hurricanes – and a fire-prone Amazon.
Let an amateur astronomer point out stars and constellations. This list of events and links to clubs can help you get started.
Biologists have discovered a nocturnal hunting spider that can steer while falling. Watch it glide!
How is climate change connected to sea level rise? One-minute video explains.
Our efficient killing technologies have given rise to the human super predator. Our impacts are as extreme as our behavior, says study.
You’ll always know it’s the sky’s brightest star, Sirius, if the very noticeable constellation Orion the Hunter is nearby.
Satellite images capture the ongoing onslaught of wildfires in the U.S. West.