Science & Tech
Inventions That Shaped How We Interact With Knowledge
Over the course of human history, a variety of novel inventions have helped facilitate and advance the dissemination of knowledge across the world. Here are a few of those inflection points.
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What's the Difference Between Global Warming and Climate Change?
People often confuse global warming and climate change and it doesn’t help that media companies often substitute one for the other. However, there are some subtle and some not-so-subtle differences between them.
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Editor's Picks
What Happened to the Dinosaurs?
Find out what ended the reign of the dinosaurs.
Defying Gravity: 7 of the Biggest Things That Ever Flew
It’s a bird! It’s a plane! Whatever it is, it’s huge!
Everything’s Illuminated: 6 Bioluminescent Organisms
Pretty lights.
6 Questions About DNA Answered
Important questions asked and answered, briefly.
Where Did the Moon Come From?
Scientists still aren’t sure what made the Moon. Here are their best guesses.
What Is the Most Aerodynamic Animal?
Cheetahs, black marlins, and peregrine falcons are the world’s fastest animals (and thus they are likely the most aerodynamic).
5 Incredible Women in STEM You Need to Know
You may know everything about Albert Einstein or Isaac Newton. But have you heard of these women in STEM?
Spotlight: Artificial Intelligence
The burgeoning field of artificial intelligence (AI) has already proven to be a disruptive technology, but critics urge caution and say the current rate of innovation should be tempered by a greater understanding of AI's potential for unintended consequences.
Quizzes
Name That Magnified Object!
Can you figure out what these common items are when they're extremely magnified?
Facts You Should Know: Weather Quiz
The forecast calls for 15 questions. Prove your meteorological merit.
Astronomy and Space Quiz
What makes a planet a dwarf planet? How many miles are in a light-year? What exactly is a quasar? Launch into other worlds while testing your knowledge about space, celestial bodies, and the solar system.
Facts You Should Know: The Periodic Table Quiz
This quiz is a gas…and a liquid and a solid.
Videos
Envision the birth of stars and planets illuminated through the infrared eye of the James Webb Space Telescope
Galleries
Earth from Space
Carnivorous Plants
Beyond Jaws: Sharks You Probably Won’t See in Movies
Jellyfish
7 Wonders of the Natural World
NASA’s 50 Most Memorable Photos
Featured Categories
Physics
What's the Difference Between Speed and Velocity?
Not uncommonly, we hear these terms used interchangeably. So, what’s the difference?
quantum mechanics
Quantum mechanics, science dealing with the behaviour of matter and light on the atomic and subatomic scale. It attempts to describe and account for the properties of molecules and atoms and their constituents—electrons, protons, neutrons, and other more esoteric particles such as quarks and
How Albert Einstein Developed the Theory of General Relativity
Learn how one of history’s greatest minds came up with one of science’s most important theories.
Werner Heisenberg
Werner Heisenberg, German physicist and philosopher who discovered (1925) a way to formulate quantum mechanics in terms of matrices. For that discovery, he was awarded the Nobel Prize for Physics for 1932. In 1927 he published his uncertainty principle, upon which he built his philosophy and for
Space Exploration
12 Questions About the History of Space Exploration Answered
How to go boldly where no (or, at least, not many) humans have gone before.
How Many People Have Been to the Moon?
You may recall the Apollo program of the 1960s and ’70s, but you may find it challenging to keep track of how many missions there were, how many men made it to the Moon, and if there were other lunar missions afterward. Get it all sorted out here!
5 Unforgettable Moments in the History of Spaceflight and Space Exploration
Finding the final frontier.
Mars is littered with 15,694 pounds of human trash from 50 years of robotic exploration
There is a lot of space junk left on the planet Mars from decades of exploratory missions and today the main concern scientists have about trash on Mars is the risk it poses to current and future missions, but the real reason debris on Mars is important is because of its place in history, and how spacecraft and their pieces serve as early milestones for human planetary exploration.
Mathematics
Is Zero an Even or an Odd Number?
Or is this oddly fascinating number even a number at all?
Prime Numbers
Prime numbers are simple to define but have endless complexity.
Beyond Pi: 7 Underrated Single-Letter Variables and Constants
Why should pi get all the attention?
Carl Friedrich Gauss
Carl Friedrich Gauss, German mathematician, generally regarded as one of the greatest mathematicians of all time for his contributions to number theory, geometry, probability theory, geodesy, planetary astronomy, the theory of functions, and potential theory (including electromagnetism). Gauss was