TV resolutions are a jumble of letters and numbers like 4K, 8K, 1080p and UHD, among others. Most new TVs are 4K, but is that the same as UHD? Is a 8K TV twice as good as a 4K TV? Spoiler for ...

You’ve only just got used to hearing about 4K TV and now some people are talking about 8K. But what the hell is it? What makes 8K different to 4K? And do you need it? Or is it worth waiting a while ...

When the Moon is within the umbra, it appears red-orange," according to NASA. "A total lunar eclipse is when the moon gets between the Earth and the sun and it does so in such a way that it blocks ...

A total "blood moon" total lunar eclipse flushed the moon red Thursday night into Friday morning across the Western Hemisphere. The best views were from North America and South America.

Astronomy fans are in for a treat this March as the full moon will appear to turn red during a total lunar eclipse. March's full moon, known as the Worm Moon, will pass into Earth's shadow on the ...

The moon turns red because the only light reaching it is sunlight refracted through Earth's atmosphere, which filters out shorter wavelengths and leaves behind only long-wavelength, reddish hues.