The United States and China are accelerating plans to establish permanent lunar bases powered by solar and nuclear energy, ...

“Before the last glacial period, Neanderthals had diverse maternal lineages. As ice sheets advanced and habitable territory shrank, survivors appear to have concentrated in a climate refugium in ...

A recent study published in the journal Nature suggests that the biological transition to motherhood creates lifelong ...

When former Oregon Republican Sen. Bob Packwood died earlier this month, the newspaper obituaries described him as a ...