It was just five days before Easter 2019 that a devastating fire swept through the Cathedral of Notre Dame. After extensive repairs, Easter Sunday mass was celebrated at the great church again today.
First, a report on what worries scientists most about bird flu. Then, a look at what's next for AI at Google DeepMind. And, inside the monarch butterfly migration mystery.
The messages were sent the same day Hegseth shared similar details in a separate Signal chat that inadvertently included The Atlantic's editor-in-chief.
Monarchs traveled to a remote part of Mexico, a journey they've made for thousands of years, and wintered there. Now tens of millions of the butterflies are on an epic aerial journey back north.