One halcyon spring day in 1903, the 69-year-old anatomist and naturalist Dr. James Bell Pettigrew sat at the top of a sloping ...

Far beyond the eight familiar planets in our solar system, countless bizarre and extreme worlds await discovery — and some ...

Google's new artificial intelligence (AI) tool has cracked a problem that took scientists a decade to solve in just two days. José Penadés and his colleagues at Imperial College London spent 10 ...

Originally defined as the ratio between the circumference of a circle and its diameter, pi — written as the Greek letter π — appears throughout mathematics, including in areas that are ...

“It’s like being in a foggy day.” The Orion nebula. Credit: Chuck Ayoub/Wikimedia Commons His team reconstructed the past motion of 56 young star clusters that trace the Radcliffe ...

The galaxy ESO 300-16 looms over this image from the NASA/ESA Hubble Space Telescope. This galaxy, which lies 28.7 million light-years from the earth. NGC 6827 is a Seyfert 1 galaxy located in the ...