In early 2017, the two of us, along with a few others, refreshed the debate on the definition of planet in scientific nomenclature. The International Astronomical Union’s (IAU) historic ...

Your eyes. You don't have to spend money to test out backyard astronomy as a new hobby, said Theo Wellington, a member of the Barnard-Seyfert Astronomical Society.

Astronomers have captured the first high-definition image of the vast cosmic web, unveiling the delicate filaments that connect galaxies across millions of light-years. This groundbreaking ...

Cosmology is a branch of astronomy involving the science of the universe's origin. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works ...