Tonight, 11 p.m. - The incredible story of Welles Crowther, a 9/11 hero who tragically died saving others.

Fighter pilot reflects on order to sacrifice herself to stop Flight 93 on 9/11

Sunday, r:30 p.m. - An update on the tourism industry in Las Vegas from LVCVA CEO Steve Hill.

Bacchus and his male colleagues are dismissive of a prostitute's claims she was raped.

Life begins to rebound after the destruction of the mass extinction ending the Permian Period.

Ultrasound waves, no surgery: doctors may have found a way to silence addiction and cravings.

Could psychedelics cure phantom limb pain? Amputee Miles O’Brien puts it to the test.