Second, during the waxing phases, the angle the moon makes to the sun opens up wider and wider, exposing more of the moon to sunlight. That causes the crescent to wax thicker and brighter. The more ...

When it comes to understanding life in space, you’d think that an astrobiologist’s workload would be focused in, well, space.

NASA's pioneering Dragonfly mission has passed its critical design review, keeping it on track for a 2028 launch to the ...