Ancient people believed comets were omens. Sometimes they were thought to signal the fall of empires, other times the birth of kings. Even today, when we’re all supposed to be much more intelligent, people do crazy things when comets pass by. Learn more on this Moment of Science.
Photosynthesis is the biochemical process in which energy from sunlight is converted by plants, algae, and some bacteria into sugars, which are used by the organism as food. That is, these organisms convert the energy of the sun into a different form of energy. However, there is a least one exception: a little bacterium deep under the Pacific Ocean which manages photosynthesis without sunlight. Learn more on this Moment of Science.
Why does earth only have one moon, while other planets have many? Jupiter alone has nearly 40 moons! Learn more on this Moment of Science.
Enjoy star gazing?Then this Moment of Science is for you!
Ever wondered what makes up Saturn's rings? Find out on this Moment of Science.
Did you know that there was a time before fire ever existed? Learn more on this Moment of Science.
"Where Is Everybody?" Learn about the Fermi Paradox on this Moment of Science.
Is it true that if the laws of nature were changed even a little bit, there would be no people in the universe? Find out on this Moment of Science.
Are there really alien civilizations out there that we don't know about? Find out on this Moment of Science: "The Fermi Paradox".
Could aliens come down to earth to eat us? Find out on this Moment of Science.