Planet Earth is spinning a little faster today — resulting in one of the shortest days of the year. But the change will be so minuscule you won’t even notice. We’re talking even less time than the ...

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 ...

Researchers from the Institute of Geology and Geophysics at the Chinese Academy of Sciences and Curtin University in Australia are reshaping how you understand the rhythm of Earth’s deep past. Led by ...

Our 24-hour day measures Earth’s rotation relative to the Sun, known as a solar day. This is slightly longer than Earth’s ...

Spring has sprung and it's time to get outdoors and celebrate nature. And what better time to keep our planet happy and healthy than on Earth Day? See when we celebrate the holiday this year, what ...

Every second, the Earth spins at an incredible speed, completing a full rotation in just 24 hours. While this may seem ...

Earth Day will be celebrated around the world on Tuesday, April 22, marking more than half a century since its inception as a grassroots environmental movement in the United States. The date has grown ...

As Earth Day approaches its 55th anniversary, some experts ask whether the celebration has kept pace with the urgency of the climate crisis. On April 22, 1970, the United States witnessed an ...

Millions of people around the world will pause on Tuesday, at least for a moment, to mark Earth Day. It's an annual event founded by people who hoped to stir activism to clean up and preserve a planet ...

Marches, protests, phone-banking events, film screenings, and more centered around environmental activism are being organized across the nation for Earth Day, on April 22. Americans are taking to the ...