The dark, red tongue spreading in the Pacific is growing at a rate not seen in living memory. The uncertainty over what is driving it has alarmed experts.

The newest DESI Legacy Imaging Surveys map, 13 years in the making, covers three-quarters of the sky and catalogs nearly four billion objects. This treasure trove is available to all and contains star...

And of course it’s another jaw-dropper

Melting permafrost is releasing carbon into the atmosphere, but scientists may have underestimated just how bad the situation may be, a new analysis finds