An ancient supernova

Can a Supernova Cause Mass Extinction?

Since the 1950s, scientists have been proposing supernovae as catalysts for mass extinctions. But can it be proven?
Fire Blazes At Iconic National Museum of Brazil

Brazil’s Museu Nacional Was More Than Just a Museum

Brazil's oldest natural history museum has burned down. The institution played a crucial part in creating Brazil's identity as a country.