The T-90M tanks, praised by Vladimir Putin as the best machines in the world, are essentially "powdered" T-72s, which act as ...

The morning of Jan. 7, Dr. Reza Ronaghi and his wife, Nasim, left their home in California's Pacific Palisades with the ...

Nearly the entire world is exposed to air at some point that doesn't meet the strict standards set by the World Health ...

I just saw on the news that the smoke from wildfires is even worse for your health than we thought. Why is that? It seems like the smoke ...

Everyone loves a breath of fresh air. Unfortunately, too often our air is anything but fresh. While air quality varies ...