Mars was once wet, with rivers and lakes and even an ocean that existed on the Red Planet between about 4.1 and 3.7 billion years ago.That liquid water has now all gone, either frozen into polar ...

Mars was once wet, with rivers and lakes and even an ocean that existed on the Red Planet between about 4.1 and 3.7 billion years ago.That liquid water has now all gone, either frozen into polar ...

That place happened to be Algeria, which is how Sellam wound up driving his father's green Toyota Echo to that quarry. Over a couple days, he used a hammer and chisel to collect more than 60 ...

Just like our home planet, Mars hosts many volcanoes, and in fact is home to the largest volcano in the solar system, Olympus Mons. Researchers have just found evidence that as well as being giant ...

Scientists searching for microbe fossils on Mars have a better idea of what to look for thanks to gypsum that formed when the Mediterranean Ocean dried up over 5 million years ago.