Earth is our home planet, and it's the only place in the universe where we know for certain that life exists. Earth formed over 4.5 billion years ago from a swirling cloud of gas and dust squished ...

There's so much to celebrate in the month of April. The fourth month of the calendar year ushers in warm weather, tulips and Earth Day, the global celebration of our planet and all its splendor. The ...

Fact of the Day: In today’s series of daily facts, we will discuss and explore the Earth, a planet formed by water, rock, air, and time. Earth is not one of the largest planets in our solar system, ...

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 ...

Earth Day highlights the actions we can take to address environmental problems. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Earth Day is a ...

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 ...