Scientists still do not know where the water here on Earth came from. But two populations of so-called dark comets may tell ...

“Think about the entire globe, all the oceans on the planet – the Indian Ocean ... playing critical roles in maintaining ...

The world's oldest rocks are spread across the globe and paint a picture of Earth's turbulent early history. Here are some of the most notable and important formations scientists have discovered.

Liquid water is a cornerstone of habitability, but Mars’ frigid temperatures and thin atmosphere make its presence seem ...

The Denmark Strait cataract – the word also refers to a big waterfall, from the Greek for “downward rushing” – is way larger ...

Astronomers discover a quasar 12 billion light-years away with a water reservoir 140 trillion times larger than Earth's ...

Courageous cave explorers continue to uncover hidden treasures beneath the Earth's surface. From Mammoth Cave in the USA to ...

Climate change has made great swaths of the planet's land drier and saltier, jeopardizing food production and water access ...

How much do you know about Antarctica? Take our science quiz to see if you'll freeze up or be as cool as a cucumber.

Dr N Munal MeiteiInternational Mountain Day is observed on 11 December to celebrate the beauty of mountains and their values. Mountains are one of the oldest nature’s pristine structures, stolid and ...