Firefly Aerospace’s Blue Ghost spacecraft has captured some stunning footage from 75 miles (120 kilometers) above the lunar ...

Noble Numbat (24.04) is the latest biennial LTS release, and Oracular Oriole (24.10) is the more up-to-date interim release.

The free, highly customizable Ubuntu operating system is easy to install and runs well. We wish more popular third-party apps were available, but it's still an excellent introduction to Linux.

If you’re looking to dramatically change a room but don’t want to spend a lot of money, time, or even be especially committed to the results, consider removable wallpaper — specifically the ...

You might think that explaining why the sky is blue would be kind of simple. But even a brief explanation of it requires a lot of science. The colors of everything you see are produced in different ...

More than 5,000 years ago, in ancient Egypt, a mixture of silica, lime, copper, and an alkali was heated, resulting in a bright blue compound known as calcium copper silicate. This striking, vibrant ...