The Lyrids occur every year, and such meteor showers happen when Earth passes through the debris left behind by periodic comets, such as Comet Thatcher (C/1861 G1), as they orbit the sun. The Lyrid meteor shower is considered to be one of the oldest Donning a gas mask, a demonstrator participates in the first Earth … Read more
Dramatic Earth Day photos show devastating scenes of pollution plaguing India. Would you treat your mother this way? This year's Earth Day theme is "Green Cities," but many places on the planet are far from green. Shocking photos taken on Earth Day Since the start of the 21st century, dozens of incoming asteroids have slammed … Read more
It's been 44 years since the first Earth Day was celebrated in 1970, and since that time, average temperatures have been rising across the U.S. This Climate Central interactive graphic shows a state-by-state analysis of those temperature trends On Tuesday, three former NASA astronauts are expected to present their findings that the Earth had experienced … Read more
The first Earth Day was a call to action for every citizen, every family, and every public official. It gave voice to the conservation movement, led to the creation of the Environmental Protection Agency, and pushed our Nation to Earth Day 2014: Gorgeous, humbling views of our planet, from space. By Jason Samenow. April 22 … Read more