To make matter even colder than the darkest parts of space, a team of researchers has managed to chill it to within a billionth of a degree of absolute zero. The experiment, run at the University of Kyoto in Japan, ...

A dead star on the run that is zipping across space at breakneck speeds has left a massive trail of matter as well as antimatter particles in its wake. The star is a pulsar known as PSR J2030+4415 or J2030 ...

Planets do not take much longer to form after stars have formed. For example, the Sun formed 4.6 billion years ago, and the Earth about 4.5 billion years ago. However, scientists now say it is not necessarily the only possibility. ...