Technical issues challenge NASA ahead of latest moon rocket launch

NASA says a risky repair job appears to have fixed the hydrogen fuel leak that threatened to delay a third attempt to send the Space Launch System rocket and Orion spacecraft on a test flight known as Artemis I, and liftoff could be minutes away.

Emperor penguins now listed as threatened species

Emperor penguins will now receive new protections under the Endangered Species Act after the U.S. Fish and Wildlife Service says climate change is threatening to eradicate the species.