The famous Perseids return to night skies this week. Here’s when it peaks, how it works, and what Australians can expect to see.

On average, from the point of view of the sun, the Earth completes one full rotation around its axis every 24 hours or 86,400 seconds, give or take a few milliseconds. A millisecond (ms) is 0.001 of a ...

A group of international researchers said on Wednesday they witnessed some of the earliest stages of a planet beyond the sun ...

The Perseid meteor shower is one of three that will be lighting up the summer night sky beginning in July. But it won't reach its peak until August.

On July 17, the Perseid meteor shower begins just as the last quarter moon rises, but its peak night in August will be marred ...