Firefly Aerospace’s Blue Ghost lander fell silent over the weekend, wrapping up two weeks of science experiments for NASA. The end came as the sun set at the moon, no longer providing energy for the ...

This week, follow the journeys of two lunar landers, meet “woolly mice,” see the oldest known bone tools, and more.

This week, a tale of two lunar landers demonstrates why scientists ... video evidence revealing some surprising ways the Arctic whales use their tusks, including for playful behavior.