Carbon dioxide in Earth's atmosphere just reached a major milestone
September 29, 2016, 9:36 a.m. by Russell McLendon
CO2 data from Mauna Loa in Hawaii suggest 400 ppm is the new normal.
Why the biggest dinosaurs had the flashiest head gear
September 29, 2016, 6:08 a.m. by Catie Leary
Theropods like the T. Rex have their bony cranial ornamentation to thank for their enormous size.
Our section of the Milky Way might be much bigger than previously thought
September 29, 2016, 1 a.m. by Bryan Nelson
Nobody knows exactly what our galaxy looks like, but new details have emerged that offer surprising hints.
Ancient Greek algorithm could be used to find inconceivably large prime numbers
September 28, 2016, 4:43 p.m. by Bryan Nelson
The sieve of Eratosthenes is an ancient tool for finding primes, but it might get a boost by modern computing.
7 new telescopes that will change the way we see space
September 26, 2016, 10:19 a.m. by Russell McLendon
A new age of astronomy is dawning, thanks to a historic building boom of futuristic telescopes.
How much does smell matter when it comes to falling in love?
September 22, 2016, 4:08 p.m. by Lambeth Hochwald
Smell plays a large part in attraction, including sniffing out genetic differences and health.