Today is the 55th Earth Day celebrated in the United States.It’s held every year on April 22 — a date originally chosen to fit college students’ schedules. But many may not know how Earth Day began or ...

Earth’s rotation has been slowing over time, but not uniformly. Instead, it decelerates in a staircase pattern. At some points, it slows a lot within a short time. Then its pace remains almost ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: joecicak/Getty Images Earth will complete a full rotation in slightly less time than ...

A bus-sized asteroid successfully completed a routine flyby of Earth on December 22, 2025, at a safe distance. NASA confirmed ...

Ready for Eart h Day on April 22? For more than 50 years, Earth Day has been celebrated every year on April 22. Earth Day isn’t just to celebrate our planet and its glory, but to emphasize protecting ...

Happy Earth Day! For the 55th year, the world is using the day to celebrate Mother Nature and the wonderful planet we live on. "Earth Day really is a symbol of the environmental movement," Sarah ...

On Earth Day, the globe celebrates our planet by supporting all things Mother Nature. This year, Earth Day lands on Tuesday, April 22. The day has been celebrated for 55 years, and while not federally ...

Earth Day, a day which honors the achievements of the environmental movement and raises awareness of environmental issues, is celebrated across the globe on April 22. Since 1970, millions of people ...

April 22 is Earth Day, the annual salute to the planet and its environment. "On April 22, 1970, 20 million Americans...took to streets, college campuses and hundreds of cities to protest environmental ...

Since 1970, people have come together on April 22 to celebrate Earth Day with environmental education and action. It's estimated that Earth Day is one of the largest secular observances in the world, ...