Aviation experts said the goggles may have created viewing difficulties for the pilots of a U.S. Army helicopter that ...

How dark is dark? When you go outside on a clear, moonless night, you can see not only lots of stars but also the black space between them—literally space, in this case. Given that you can see ...

On the first night of the new moon, I gaze at the sky from a campsite in Northern California. The night is so black that when I hold out my hand, I can’t see my fingertips. It’s not just an ...

To celebrate International Dark Sky Week 2025, we've put together a list of 10 night sky objects visible over the coming days that showcase the majesty of the post-sunset realm. The majority of ...