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 ...

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.

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.