Stretching like a colossal spine along western South America, the Andes stand as the world's longest mountain range. It spans ...

Mars, the enigmatic Red Planet, has long captivated humanity with its stark, seemingly barren landscape. Today, it’s a cold, dry world – a shadow of its once-vibrant past. But what if this desolate ...

A remote outcrop in Canada harbors rocks that are at least 4.16 billion years old, researchers report June 26 in Science. If true, these rocks would be the oldest known on Earth and the first to date ...