How many people are in the world? By Holly Secon You may think of the global population as a massive, exponentially-growing number of people that threaten to use up all of the world's resources, but that's not the case.
Inauguration day: Why presidents must wait 2 months to start By Kacey Deamer Here's why inauguration day occurs months after an election.
How does impeachment work? By Stephanie Pappas Will President Trump be impeached? Here's a look at what impeachment means, how it works and who has been impeached.
What is a coup? By Mindy Weisberger A coup d'état, which translates as "stroke of the state," can be triggered by military actions, the involvement of foreign governments, or popular revolts.
What is the 25th amendment? By Kimberly Hickok The 25th amendment clarifies the steps to be taken if the offices of president or vice president become vacant.
What is renewable energy? By Sarah Wild Sustainable sources of energy are renewable and are generally less harmful to the environment than fossil fuels.
What was the Star of Bethlehem? By All About Space magazine According to the New Testament, the Star of Bethlehem led the three wise men to Jesus' birth. Here are a few theories about what the star really was.
Top 10 deadliest natural disasters in history By Stephanie Pappas, Tiffany Means Here are the world's most deadliest earthquakes, cyclones and floods.
Flying fish: Real fish, but not really flying By Sarah Wild Key facts and information about flying fish.
Who was Carl Linnaeus? By Tom Garlinghouse Carl Linnaeus, the famous 18th century Swedish botanist, created the basic foundation on which the modern binomial classification system is based.
The Falklands War: Margaret Thatcher's great victory By Nick Soldinger, History of War magazine In 1982, Argentina tried to reclaim the Falkland Islands from Britain, but was unsuccessful.
What does transgender mean? By Alina Bradford The term transgender describes people whose gender identity differs from the sex to which they were assigned at birth.
Margaret Thatcher: Facts about the controversial prime minister in 'The Crown' By David J. Williamson, All About History Margaret Thatcher was Britain's first woman prime minister, and one of the country's most controversial figures.
The true story behind Princess Diana's fairytale wedding in 'The Crown' By Melanie Clegg, All About History Prince Charles and Diana's engagement and wedding captured the world's attention, but it wasn't as perfect as it appeared.
Here's all the buzz about honeybees By Greg Uyeno There are 20,000 species of bees, but honeybees have a special relationship with people.
What are cytokines? By MK Manoylov Cytokines help the immune system kill pathogens, but too many cytokines can lead to bad health outcomes and may turn into a "cytokine storm."
Fisher cats: Animals that aren't cats, nor are they really fishers By Rachel Kaufman If the fisher cat isn't the most inaccurately named animal in North America, it's certainly up there: It's not a cat, and it doesn't care much for fishing.
