Could aging eggs be 'rejuvenated'? New tool may help pave the way to fertility-extending treatments

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Earth may have a moon today because a nearby neighbor once crashed into us, a new analysis of Apollo samples and terrestrial rocks reveals.

The Cold Moon, the 12th and final full moon of 2025, rose on Thursday (Dec. 4) but will still appear bright and full on Friday (Dec. 5)

A 2023 astronaut photo shows three dark hills, or mesas, towering above part of the Sahara desert in southern Mauritania. The structures are remnants of a single Paleozoic era formation, and have helped to create a series of striking sand dunes.

In an unusual case, a woman developed a parasitic infection in her lungs, when more typically, the parasite stays just under the skin.