Do you like watching the clouds? It’s a pleasing pastime. If you have enough imagination, the clouds above your head sometimes resemble faces or animals.

How do you weigh a black hole? For a person, it’s easy. You just step upon a scale and read off your weight. But no

Imagine that you’re on an open field in the middle of the night. In the distance is the edge of a dark forest. Using your

All people look different from each other. Except identical twins. They have the same eyes, the same nose, the same mouth and the same hair.

Black holes are the most mysterious objects in the Universe. Their gravity is dangerously strong. They suck in everything that comes too close. Moreover, they

If you topple a bottle of water, the liquid flows out very fast. But turn over a container of treacle, andit takes ages to empty.

Have you ever played with a magnet? It’s like magic. A magnet has an invisible force field. You can only see it indirectly. For instance

ALMA has detected the building blocks of life in the disk surrounding a young, distant star. The discovery may help astronomers to understand the origin

Astronomers have obtained new images of the rings of Uranus, a distant planet in our own solar system. The new images were made by two

Thirteen billion years ago, two small galaxies crashed into each other. The ALMA observatory has now witnessed this collision. Never before have astronomers seen a