Add Yahoo as a preferred source to see more of our stories on Google. Happy Earth Day! For the 55th year, the world is using the day to celebrate Mother Nature and the wonderful planet we live on.

Scientists may have solved why the length of Earth’s day changes by a few milliseconds over decades. Subtle shifts in the ...

Earth Day is celebrated across the country, and the globe, through the mobilization for environmental causes. While it may seem strange to think of a world without ecological awareness, there was once ...

Add Yahoo as a preferred source to see more of our stories on Google. Earth Day has been celebrated across the country — and the globe — for more than 50 years now, and the annual celebration is once ...

Earth's inner core swings about 2.35 degrees over roughly 70 years, and its gravitational pull changes the length of a day by ...

New York City shuts down streets across all five boroughs, allowing residents to walk and bike while taking advantage of a wide range of events hosted by the Department of Transportation. The ...

As the climate crisis becomes ever more serious, each Earth Day that comes along takes on extra significance. Established in 1970 in the US, the annual event—which is celebrating its 55th anniversary ...

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A giant art sculpture showing a tap outpouring plastic bottles, during the UN Environment Assembly in Nairobi, Kenya, in March 2022. Delegates met to discuss a binding international framework to ...