Air quality is unhealthier-than-average for some people Thursday as winds are blowing wildfire smoke across the Northern ...

In the north a 50,000-strong Russian force is attacking Sumy, a provincial capital. Our model is detecting artillery fire and ...

Despite Thursday morning starting off comfortable for much of Northern California, a hot, hazy day is expected later in the ...

Discover San Francisco, one of the most iconic cities in the United States, in this virtual tour of its top attractions.