Protists are one of the six kingdoms of life. They are simple eukaryotic microorganisms that do not fall into the plant, animal, bacteria or fungus groups.

  By WG  Feb 15, 2022

Hearts have become iconic symbols of Valentine's Day, but when it comes to hearts in the real world, one size doesn't fit all — particularly in the animal kingdom.

  By WG  Feb 15, 2022

Monkeys are a large group of primates spread around the world with many unique families, species and types, from mini marmosets to massive mandrills.

  By WG  Feb 15, 2022

Using the Hubble Space Telescope, astronomers think they have discovered a black hole which is completely invisible for the first time.

  By WG  Feb 15, 2022