Artwork conceptualising the expanding and accelerating Universe. Since the 1990s, astronomers have known that the Universe is not only expanding, but that the rate of expansion itself is accelerating. This is postulated to occur due to a mysterious d...

Rings of Uranus. Artwork of particles making up one of the rings of Uranus. The rings of Uranus are very dark and not visible from Earth. There are eleven small rings in total, and they are only a few kilometres wide, and no more that a couple of hun...

... nothing can travel faster than this ultimate speed, black holes suck in everything including light, which make them utterly dark and invisible. In this image, we can see a black hole, but only because of the background stars. Their light is bent and ...

... e a horse's head. At least that's what people claim. So what you're seeing here is a cloud of gas emitting red light, with a dark, absorbent cloud, in the shape of a Horsehead, superimposed on top of it. Nature speaks in strange ways. The title comes ...

An impression of the Sun rising over the Earth, as seen from space. On the dark side of the Earth, cities can be seen illuminating the night....