Just how far can we see on a clear, dark night? If you're a regular reader of this column, you know that the stars overhead ...

In addition to the double ring, the program found two other examples. In RAD J122622.6+640622, astronomers saw a galaxy ...

The conditions favouring the rise of advanced aliens are much rarer than previously thought, according to a new study, which suggests the nearest planet hosting extraterrestrial civilisation could be ...

A rocky, Earth-size planet located in our Milky Way galaxy may have an atmosphere around it, according to new research, raising the possibility that it could also have liquid water on its surface and ...