The Blue Ghost lander captured the shots before going silent. A space robot said "good night" to the moon as it completed its two-week mission, capturing the first high-definition images of a ...

The new pictures of this background radiation, known as the cosmic microwave background (CMB), add higher definition to those observed more than a decade ago by the Planck space-based telescope. “ACT ...

The new pictures of this background radiation, known as the cosmic microwave background (CMB), add higher definition to those observed more than a decade ago by the Planck space-based telescope.