Rodent extinctions in Hispaniola may have been caused by humans

The island of Hispaniola once had among the highest diversity of rodents in the Caribbean, supporting 11 species that coexisted for thousands of years. Today, only one rodent species remains within the island's two countries ...

Why are most rocks on Earth much younger than the planet itself?

The rocks on Earth are not all the same age. In fact, most are significantly younger than the planet itself. The oldest sections of the oceanic crust are thought to be 200 million years old—a blink of an eye in the planet's ...

With success of Artemis I, when will NASA fly Artemis II?

With Orion safe back on Earth, the last and most important tests of the Artemis I mission have been completed, but there are still miles to travel and months of data sifting to go before NASA will target an Artemis II launch ...

Early churches found in ancient African kingdom

Archaeologists have made an important discovery in the Kingdom of Aksum, a major ancient power in Northeastern Africa, identifying two churches from shortly after the Aksumite's conversion to Christianity. These are some ...

New experiment measures decay time for exotic nuclei

A new study led by the Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) has measured how long it takes for several kinds of exotic nuclei to decay. The paper, published today in Physical Review ...

Israel archaeologists find ancient comb with 'full sentence'

Israeli archaeologists have found an ancient comb dating back some 3,700 years ago and bearing what is likely the oldest known full sentence in Canaanite alphabetical script, according to an article published Wednesday.

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