Led by Curtin University geologists Chris Kirkland and Tim Johnson, a research team unearthed this primeval crater beneath ...

New research led by a York University professor sheds light on the earliest days of Earth's formation and potentially calls ...

at about 3.5 billion years old. That surpasses the previous record-holding impact crater by more than 1.25 billion years, according to a paper published in Nature Communications on Thursday.

Scientists have calculated the Earth to be 4.54 billion years old, with an uncertainty of 50 million years on either side. But how did they arrive at that number? Philosophers have debated the ...

Changes in Earth's orbit have helped pace climatic change for millennia. Scientists are now trying to understand whether - and how - these changes remodeled the landscapes our ancient ancestors ...