Earth Day is celebrated one each spring to promote environmental protection and awareness. Celebrating its 56th year, this year's Earth Day theme, "Our Power, Our Planet," calls for people worldwide to unite behind renewable energy and promote clean electricity.

In a year of grim climate and environment news, we’ve compiled several hopeful signs about our planet’s future.

Fifty-six years after the first one rallied 20 million people across America, “we need to do things that make us feel more powerful.”

CORPUS CHRISTI, Texas — As April 21st marks Earth Day 2026, communities across the Coastal Bend are coming together to honor our planet and promote environmental awareness.

Do your part to raise awareness, one funny Earth Day meme at a time. (Yes, it totally counts!)

The Apophis asteroid, once feared to hit Earth, is less than three years from making an unprecedented approach toward Earth. Here's what to know.

USA Rare Earth surged on its big Brazil buy, part of a challenge to China's dominance of global rare earth supply chains.

In space, astronauts have to learn to live without gravity — whether they're aboard (ISS) or on a journey to the moon, such as with NASA's Artemi