A new generation of low Earth orbit (LEO) satellites could transform how we observe our planet. This innovative constellation consists of nearly 900 satellites, organized in teams, capable of covering ...

The largest map of the universe, created with data from the James Webb Space Telescope, shows almost 800,000 galaxies crammed into a tiny piece of sky and spanning almost all of time.

Disregard what you learned in geography class—Earth may not have seven continents after all. From the earliest of grades, schoolchildren around the world have memorized the same lineup: Africa ...

As the events expanded into a nationwide campaign, the first Earth Day was held on April 22, 1970. The initial movement in 1970 is known as the largest secular day of protest in the world.

Former Daily editor-in-chief Jim Wascher '75 writes about the history of Earth Day at Stanford and argues why activism for our planet is essential.

Gaylord Nelson, the late U.S. senator and governor of Wisconsin, is considered the founder of Earth Day, which started in 1970.

Earth Day is observed every year on April 22 to recognize the achievements of the environmental movement and raise awareness about conservation and climate challenges. How did Earth Day start?

Thousands of events are scheduled across the globe to celebrate Earth Day on Tuesday, April 22. Here's a handful happening in the U.S.

Earth Day is celebrated on April 22 each year, promoting environmental protection and awareness since 1970. Now celebrating its 55th anniversary, this year's Earth Day theme, "Our Power, Our ...

Nearly three fourths of Earth is covered by oceans, making the planet look like a pale blue dot from space. But Japanese researchers have made a compelling case that Earth’s oceans were once ...

I have always loved maps. My favorite books as a child featured maps. My first forays into backpacking introduced me to getting lost and the beauty of topographic maps to find myself. In my adult life ...

New features include detailed planning and guidance for custom hikes, the ability to save the maps offline, elevation details, and more. Here’s how to use Apple Maps topographic hiking trails.