Proxima Centauri b is the closest known exoplanet to our solar system that is thought to be within the habitable zone of its star.

She points out that art, as "the horn of the times", reflects and leads the cultural trends of an era. Through its ...

We measure the extremely long distances between things in space by light years. A light year is the distance that light travels in one Earth year. Light travels at about 300,000 kilometres per second.

For fans who don't know, a Yukon is a type of car. The GMC Yukon is an SUV and, in the song, Justin appears to sing about his ...