Scientific critics are skeptical, but venture funders steered $1.5 million to a California company creating high altitude particle clouds to slow global warming. Call it a moonshot for the Earth.

The earliest cells likely didn’t have membranes to separate and protect their components and chemistry away from a harsh ...

Tuesday morning will be a cold and damp start with mostly cloudy skies through the entire day. Temps struggle without much ...

We are off to a mild start in the Inland Northwest with start-time temperatures in the upper 40s to low 50s. As you're headed ...

Tranquil weather will continue for one more day on Tuesday in the Bay Area as temperatures will rise to to comfortable levels in the 60s and 70s. But starting Wednesday, a shift in the pattern will ...

There are a few reasons as to why some nights are cooler than others, but one main reason is the amount of cloud cover in the ...