Real Facts That Sound Like Tall Tales: <a href=" ►25 Mind Melting Facts Will Make You Question Everything: <a href=" Do you ...

This year marks the 55th anniversary of Earth Day! Every year on April 22, people worldwide mobilize to address some of the most urgent threats facing our environment, from climate change to ...

Ah, Earth. We may not think about our planet on a day-to-day basis, but the world we live in is a pretty interesting place. The third rock from the Sun—and to this day, the only one with known ...

While Earth Day, observed annually on April 22, may not be a major holiday that’s widely celebrated outside of classrooms, it’s more than worthy of honoring. After all, without Earth, where would we ...

To mark Earth Day, NBC’s Brian Cheung joins TODAY to break down numbers and facts about the blue planet, including how it got its name and how many miles food may travel to get to your plate. He also ...

Since at least 2016, a rumor has circulated online that "a speck of dust is halfway between the size of" an atom and Earth. However, Wendy Taylor, a particle physicist and professor of physics and ...

Select an option below to continue reading this premium story. Already a Honolulu Star-Advertiser subscriber? Log in now to continue reading. The exact sequence of events behind eukaryogenesis is ...

This quiz will test your grasp of everything from orbital mechanics and international partnerships to basic facts about the ...