Muddy footprints left on a Kenyan lakeside suggest two of our early human ancestors were neighbors some 1.5 million years ago ...

We have never seen this solar generator go below $479, but it's $399 for Black Friday. It's bigger siblings are also on sale.

Trump’s presumptive cabinet raises fears for population health given its anti-science bias. Christina Pagel and colleagues argue that the UK scientific establishment should practice solidarity and ...