Our guide to the best smart telescopes that will help you observe and capture images of the cosmos with just a tap of your ...

On Thursday 27 March, the European Space Agency (ESA) sent its last messages to the Gaia Spacecraft. They told Gaia to shut ...

The largest telescope in the world is called the Gran Telescopio Canarias. It's the biggest optical telescope in the world (radio telescopes can be bigger) and is larger than most houses.

Though still only in the prototype stage, this flat lens could one day be used on space telescopes, and perhaps even on amateur telescopes.

The ELT is by trade an optical/infrared telescope. It will comprise a total of five mirrors and their required optics, plus a series of instruments needed to make sense of the light captured ...

New optical technologies have revolutionized astronomy, from the invention of the telescope 400 years ago to more recent developments of adaptive optics and segmented mirrors. The next disruptive ...

The Hubble Space Telescope captured an image of a star and a spiral galaxy, both in the constellation Virgo. But the photo is an optical illusion.