Iran's top officials pushed back against a U.S. ceasefire plan and President Trump's deadline to open the Strait of Hormuz, striking a defiant tone as the warring sides traded missile attacks.

Retired Air Force colonel and NASA astronaut Eileen Collins and filmmaker Hannah Berryman talk about the new documentary Spacewoman.

A Dallas cardiologist explains why and how doctors should now begin checking for signs of heart disease when patients are in their 30s.

Twenty-five young girls and two teenage counselors at Camp Mystic were killed in catastrophic flooding along the Guadalupe River over the 4th of July weekend last year. Some survivors want to return, while the families of those who lost their lives fight to shut the camp down for good.

The sweeping rule changes, all enacted outside the typical legislative process, have upended life for noncitizens, including those who are here legally.