There are almost 200 nations on the planet and every one of them has some stunning trivia you need to hear about.Here are ...

A giant sequoia located in Sequoia National Park in California, the General Sherman is 52,500 feet in volume and is more than 2,000 years old. The General Sherman giant sequoia is the largest known ...

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 ...

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 ...

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 ...

"Living in Space" isn't just about designing spacecraft or stations — it's about solving the complex challenges that come ...

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

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 ...