Here are some medical stories that really wowed us this year.
Here is a list of the top 10 sword and ancient weapon stories of 2021.
From the number of bubbles in a typical glass of beer to the weight of all the coronavirus particles circulating in the world, here are 10 weird things scientists calculated in 2021.
The Natural History Museum in London described more than 500 new species in 2021, including massive extinct dinosaurs and tiny shrimp-like crustaceans.