The massive loss in power generation during the Texas blackout in February was caused primarily by power plants freezing up under historically cold conditions, according to a new report by the Electric Reliability Council of Texas.

Texas counties that are poorer, whiter, less-educated and where former President Donald Trump won a larger share of the vote have vaccinated a fewer people than the state average, a new analysis found. Here's what that means for Texas' ability to quickly reach herd immunity for COVID-19.