NASA has unveiled the initial analysis results of samples collected from the asteroid Bennu in 2020 by the Osiris-Rex ...
Earth is home to some truly bizarre and breathtaking landscapes — here are 20 that look straight out of an alien world.
Rivers began pumping weathered material into the sea about a billion years after Earth formed, suggesting continents may have gotten an early start.
Certain metallic rocks seem to be making oxygen in the dark, without light or sunshine, at the bottom of the ocean.