Katy Perry was in San Francisco on Friday night performing as part of her Lifetimes Tour, when a giant butterfly prop she was ...

With the sentencing of Bryan Kohberger set to take place Wednesday, ABC News' legal contributor Channa Loyd breaks down what to expect next in the Idaho college murders case.

Plus, meet the people trying to decipher why hail is becoming a bigger problem, and Scottie Scheffler inches closer to a career Grand Slam.