Telescopes are devices used to observe the universe. There are many different types and some are even sited in space. Optical telescopes close optical telescopeA device used to see distant objects ...

ESO estimates the complex will leak as much light pollution as a city with a population of about 20,000. Parts of the ...

The best telescopes allow you to observe this month's full planetary parade more closely and give you a front-row seat to the total lunar eclipse in March. The best telescopes unlock the wonders ...

At double the width of our Milky Way galaxy, this jet of radio waves is the biggest ever detected so early in the universe's ...

Scientists have found a quasar spewing a gigantic radio jet in space at a time in the early universe when such objects are nearly impossible to find. Quasars, a portmanteau for "quasi-stellar objects, ...

Stunning photos show bright comet lighting up the dark skies above ESO'sParanal Observatory, future home of the world's ...