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 ...

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