New flu strains constantly circulate, requiring new vaccines every year. That could soon change

Cain tested positive for the disease shortly after appearing without a mask at Trump's rally in Tulsa, Oklahoma

Pence's refusal to wear a mask at the Mayo Clinic fits a larger pattern — and was aimed at an audience of one

California Democratic Rep. Ted Lieu called out Republican Rep. Jim Jordan of Ohio to his face

From gay marriage to Miley Cyrus, these are the moments that defined our sexual culture this year

Meeting Pepper showed me humans are apes too -- and we have to do better at protecting our own

The tech used in major COVID-19 vaccines is regarded as a "breakthrough." HIV vaccines could now be in the cards

Supreme Court is scheduled to hold in-person arguments on Monday for the first time since the pandemic began

"The virus was a hoax here until Trump got it"

A CDC report reminds that it can be dangerous -- but the risks are more complicated than we think

Former South African president is acquitted of rape, but is guilty of setting his country back.

Does the first daughter's position on safe sex conflict with her dad's abstinence-only views?

More fallout for Canyon Ridge's financial support of one of the chief backers of Uganda's "kill the gays" bill

Three of the most far-right lawmakers in Congress are being targeted by the resolution to censure

Whatever discrepancies exist between his public words and his private actions, the attempt to smear him sexually is a vendetta masquerading as journalism.