Every year, scientists undertake some truly baffling experiments, and 2021 was no exception.
Signs of accelerating global warming abounded this year, but we could still prevent the worst-case scenarios — if we act soon.
The closer we look at the universe, the more beautiful and baffling it becomes. Here are the 10 most epic space structures discovered in 2021.
Here are the 10 best volcano stories published in 2021.