With Mercury joining the show, all seven of Earth’s celestial neighbors will be present at dusk this week ... and looking up anyway. “The sky is really beautiful in winter,” he said.

For a few days around this date, we can try spotting Venus in bright twilight both immediately before sunrise and right after sunset. It rapidly zooms into the morning sky, reaching an angular ...

If there is no direct sunlight striking the cloud, it may reflect the color of the sky and appear bluish. Some of the most picturesque clouds occur close to sunrise and sunset when they can appear ...