Archaeologists Have Long Sought — But Never Found — The Very First Wheel
Humans invented the wheel over 5,000 years ago, but where it first originated is a mystery. ...read more
Humans invented the wheel over 5,000 years ago, but where it first originated is a mystery. ...read more
New analysis reveals body temps in same range as modern birds. ...read more
The nearby red supergiant has been dimming for a while now, but its exact fate is still unknown. ...read more
Astronomers simulated what humans will see on Earth when the star Betelgeuse explodes as a supernova sometime in the next 100,000 years. ...read more
Stars generate energy through nuclear fusion. Here’s an easy explanation into how the process works. ...read more