These 'Blue Sky' Energy Technologies Might Help Save the Planet Published Oct 03, 2023 at 9:52 AM EDT Updated Oct 03, 2023 at 4:28 PM EDT ...

Sky This Week is brought to you in part by Celestron. Friday, July 4Mercury reaches its greatest eastern elongation (26°) ...

That's not just your imagination — the sky really is more blue, and all because of science. To understand why the sky is so especially vivid in autumn, you first need to understand why it's blue ...

Mars and Regulus will light up the night sky in a rare celestial display from the Red planet and icy blue star ...

The farthest planet from the Sun, Neptune spans an apparent 2″ on the sky and shines at magnitude 7.7. A telescope is best if you want to try hunting it down tonight, and a go-to scope is even ...

Regulus is a bright blue star in the constellation Leo, which is often called the 'lion's heart'. It regularly appears close ...

The 2025 Buck Moon rises on July 10, in the southeast from about 10pm in the UK. July's full Moon is called the 'Buck Moon' ...

Observers could see up to seven planets line up in the sky after sunset on Friday, but you may need a telescope to see them all. Seven-planet parade lines up in the sky on Friday: How to see it ...

At least two lunar rainbows, including a stunning "double moonbow," have been spotted above the U.S. in the lead-up to the blue supermoon. And there is still a chance to see one of these elusive ...

To get a glimpse of the “Swift Planet,” EarthSky suggests waiting for the sun to set before looking west for the planet ...