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.
The annual migration of monarch butterflies is one of science's great mysteries: millions of monarchs know the correct path even though they have never made the long journey themselves. As 60 Minutes found, the expedition to watch the migration can be its own challenge.
At Google DeepMind, researchers are chasing what’s called artificial general intelligence: a silicon intellect as versatile as a human's, but with superhuman speed and knowledge.
More than 100 federal scientists who track bird flu, including vaccine and food safety experts, have been laid off. This comes as the deadly pathogen rips through dairy herds and poultry flocks.