TVs are advertised according to their diagonal screen measurement which differs from the actual width of the TV.

Driving a spacecraft around a planet isn’t anything like driving on a planet. A physicist explains orbital navigation.

Buying appliances isn't just about size tags. Small missteps in measuring can cause big headaches and it's easy to miss ...

You can measure distance on Google Maps to give you the approximate mileage between any two points (or more) that you place on the map.

Image of the lunar surface, looking south across Mare Imbrium, with the crater Copernicus (58 miles in diameter) visible in the distance, in an image of the lunar surface taken during the Apollo 17, ...

Comet C/2025 R2 (SWAN) was discovered on Sept. 10 by Ukrainian amateur astronomer Vladimir Bezugly. It has brightened ...