Happy Earth Day! For the 55th year, the world is using the day to celebrate Mother Nature and the wonderful planet we live on. "Earth Day really is a symbol of the environmental movement," Sarah ...

Happy Earth Day! For the 55th year, the world is using the day to celebrate Mother Nature and the wonderful planet we live on. "Earth Day really is a symbol of the environmental movement," Sarah ...

The James Webb Space Telescope has notched another milestone, capturing a direct image of one of the coldest and oldest known ...

In this case, a majority of those fragments had a muddy brown color, which was a result of staining from sediment that got dragged up from the seafloor, according to Earth Observatory. Related ...