Earth Day is celebrated one each spring to promote environmental protection and awareness. Celebrating its 56th year, this ...

The space rock is expected to make its closest approach at around 848,000 miles from the Earth, according to NASA.

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

People on the ground in the Eastern Hemisphere will be able to observe the asteroid with their own eyes, weather permitting, ...

NASA says of Apophis passing by that it is likely "an event like this has not happened at any time in recorded human history.

How much do you know about our planet? Here are the amazing, odd and downright cool Earth facts scientists learned in the ...

In a galaxy 500 million light-years away, two supermassive black holes could merge, spreading gravitational waves across the ...

From its 1970 origins to a global movement, Earth Day 2026 highlights the power we all have to protect our planet.

Earth formed within such a precise “Goldilocks zone” for oxygen that a 5% change would have prevented life from emerging.

West End Earth Day Clean Up: 9 a.m.-noon April 25, N. 19 th St., Allentown. Meet at the War Memorial on the southeast corner ...

RENO, Nev. (KOLO) - The Reno Earth Day Festival at Idlewild Park is an award-winning, eco-friendly celebration of ...