Water is ubiquitous on Earth – about 70% of Earth’s surface is covered by the stuff. Water is in the air, on the surface and ...

How old is Earth? Our planet's age is known from a variety of sources, from rocks on our own planet to ones from the moon.

"We think the water came from the melting of nearby sub-surface ice called permafrost, and that the permafrost melting was ...

Watch all your favourite ABC programs on ABC iview. More from ABC We acknowledge Aboriginal and Torres Strait Islander peoples as the First Australians and Traditional Custodians of the lands where we ...

NASA's Curiosity rover has made a groundbreaking discovery on Mars by uncovering pure sulfur crystals within a broken rock.

Around 700 million years ago, the Earth cooled so much that scientists believe massive ice sheets encased the entire planet ...

We are living in the age of humans, a time referred to by many as the Anthropocene. Our species has caused huge changes on our planet, including global warming and rapid biodiversity loss. To explore ...

Planet-warming pollution in Earth’s atmosphere last year hit the highest levels in human history, scientists announced Monday — a worrying indicator of the world’s failure to curb climate change as ...