Potosi Fire Department

Falling rocks struck people on a hiking trail in Banff National Park in the Canadian Rockies, killing two and injuring three others.

Thanks to DNA sequencing, the discovery of new blood groups has accelerated in recent years.

Iran warns U.S. strikes would risk “all-out war”; Two major food producers say they're removing artificial food dyes from U.S. products.

President Trump to decide whether to strike Iran within two weeks, the White House says; Rep. Greg Casar joins "The Takeout" to discuss detained Democratic lawmakers.

President Trump is calling on civilians to leave Tehran amid ongoing attacks between Israel and Iran. Also, what age-related memory loss really looks like and when it’s a red flag.