By trapping huge amounts of water on land, big dams built by humans have slightly changed how Earth spins and where its poles ...

Poland's controversial border fence is meant to deter illegal migration, but it also blocks wildlife movement in the unique ...

A new scientific assessment reveals that humanity has pushed seven of nine critical planetary boundaries past their safe ...

Earth’s climate has long been shaped by subtle but powerful shifts in its orbit. These slow, predictable changes drive the ...

The seas have long sustained human life, but a new UC Santa Barbara study shows that rising climate and human pressures are pushing the oceans toward a dangerous threshold. Vast and powerful, the ...

With US President Donald Trump and other sceptics calling climate change a hoax, the UN's climate science body must tell the ...

During a brief but dramatic chapter in Earth's history about 41,000 years ago, the planet’s magnetic field nearly collapsed. What followed was a cascade of environmental and biological changes that ...

Bennu, a rocky object classified as a near-Earth asteroid, has a one-in-2,700 chance of colliding with the Earth in September 2182, new research has discovered. The IBS Center for Climate Physics ...

Conventionally, the moon is thought to have formed during one big impact, but a three-impact model might make more sense ...

Natural glass found only in Australia could be evidence of an unknown, ancient asteroid impact, researchers say. A new analysis of impact-created "tektites" points to a powerful collision millions of ...