This week, Morning Brief reader Collette wrote in to ask, "There may be blue sky, but what makes for a deeper blue in one ...

Forbes contributors publish independent expert analyses and insights. The Universe is out there, waiting for you to discover it. One of the first questions a curious child often asks about the natural ...

Digital astrophotography allows imaging during Full Moon, unlike film-based methods which required dark, New Moon skies. Successful imaging requires image processing techniques to mitigate the ...

Out of the impossibly blue sky, the unthinkable came. A generation has grown up since the events of Sept. 11, 2001 — 22 Septembers ago — but those who can cast their mind back to that day remember one ...

Apple recently announced a new generation of the MacBook Air, which is powered by the M4 chip. Although it has the same design as the previous generation, it now comes in a new sky blue color. To ...

This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights. Michael J. I. Brown, Associate Professor in Astronomy ...