Isotope analysis of limestone cave deposits indicates repeated humid periods in the Saharo-Arabian Desert over the past eight million years. The Saharo-Arabian Desert is one of the world’s largest ...

A new study reconstructing the Arabian Peninsula’s ancient past adds clues to how early humans left the African continent.

Australia’s giant Protemnodon kangaroos didn’t die out everywhere at the same time. Instead, extinction proceeded one habitat ...

Large kangaroos today roam long distances across the outback, often surviving droughts by moving in mobs to find new food ...

Giant kangaroos stayed local, and rapid climate change gradually destroyed their lush rainforest home, leading to extinction.

However, fossil finds prove that water-dependent animals such as crocodiles and hippos lived ... This technique relies on the radioactive decay of naturally occurring uranium isotopes that were ...

New research reveals that the Arabian Peninsula wasn't always the barren landscape we see today, but rather cycled through ...

Every planet has a certain amount of isotopes of different materials on ... of Xenon-129 in the Martian atmosphere, and uranium and thorium on the surface. Xenon 129 is a stable, non ...