04/12/2025

Trump NASA nominee aims to beat China in new moon race

Jared Isaacman, US President Donald Trump's two-time appointee to lead NASA, said it was his goal that the United States beat rival China in the race to return humans to the moon, during a Senate confirmation hearing Wednesday.

A new role for DNA loops in repairing genetic damage

When DNA breaks, cells must repair it accurately to prevent harmful mutations. Researchers have discovered that during a key repair process called homologous recombination, the cell uses loops in its DNA structure to speed ...

Nanotyrannus was not a juvenile T. rex, new study confirms

For decades, paleontologists argued over the lone skull used to establish the distinct species Nanotyrannus. Was it truly a separate species or simply a juvenile Tyrannosaurus rex? A new paper published in Science has definitively ...

How sound moves on Mars

Acoustic signals have been important markers during NASA's Mars missions. Measurements of sound can provide information both about Mars itself—such as turbulence in its atmosphere, changes in its temperature, and its surface ...

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