At the top of the month, every month, we release a top ten list. If we can measure it, we’re listing it.
Biggest Wingspans
08/2023
Closest Stars
06/2023
Biggest Bones in the Human Body
05/2023
Biggest Bears
04/2023
Fastest Recorded Winds on Earth
03/2023
Biggest Constellations
01/2023
Fastest Fish
12/2022
Biggest Moons of Jupiter
11/2022
Biggest Moths
10/2022
Biggest Crustaceans
09/2022
Biggest Volcanic Eruptions
08/2022
Deepest Bodies of Water
07/2022
Biggest Dolphins
06/2022
Biggest Known Galaxies
05/2022
Longest Space Shuttle Flights
04/2022
Fastest Moons
03/2022
Biggest Maria on the Moon
02/2022
Biggest Craters on the Moon
01/2022
Saltiest Lakes
11/2021
Biggest Canids
10/2021
Fastest Man-Made Objects
09/2021
Strongest Bite
08/2021
Largest Meteorites
07/2021
Lightest Metals
06/2021
Strongest Recorded Earthquakes
05/2021
Brightest Stars
03/2021
Highest Flying Birds
02/2021
Longest Rivers
01/2021
Biggest Deserts
12/2020
Oldest Person in Space
This list is now outdated as Wally Funk and William Shatner were both older than John Glenn at the time of their flights.
11/2020
Biggest Craters on Earth
10/2020
Longest Caves
08/2020
Biggest Penguins
07/2020
Loudest Animals
06/2020
Longest Gestation Periods
05/2020
Biggest Sharks
04/2020
Most Total Time Spent in Space
03/2020
Tallest Trees
02/2020
Deepest Diving Animals
01/2020
Biggest Rodents
12/2019
Largest Radio Telescopes
This list is now outdated as Arecibo was destroyed after this list was published.
11/2019
Longest Fault Lines
10/2019
Tallest Waterfalls
09/2019
Most Massive Spacecraft
08/2019
Top Ten Biggest Rockets
This list is now outdated as SpaceX’s Starship launched after this list was published.
07/2019
Fastest Land Animals
06/2019
Biggest Cows
05/2019
Biggest Birds
04/2019
Biggest Whales
03/2019
Most Extreme Temperatures
02/2019
Most Venomous Snakes
01/2019
Biggest Cats
11/2018
Fastest Birds
08/2018
Biggest Islands
07/2018
Biggest Lakes
06/2018