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 ...

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 ...

This Earth Day, test your environmental knowledge by participating in CBS News' #OutGreenMe challenge. Grab your phone and quiz someone with the below facts and show us how much you know about our ...

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 ...

Earth Day is one of the most popular and widespread non-religious holidays in the world, recognized in over 100 nations across continents. Although the event was primarily based in the United States, ...

Today, April 22, 2022, is Earth Day, a time set aside to celebrate the Earth, learn about the environment, and promote conservation. The theme for this year’s event is “Invest in Our Planet.” You can ...