What are the biggest telescopes in the world (and space)?

When you want to watch the sky, size really matters. The more light a telescope can collect, the more information we can get about stars, galaxies, quasars, or whatever the heck else we want to take a look at.

Giant Magellan Telescope looking toward construction

The international consortium of the Giant Magellan Telescope (GMT) project has passed two major reviews and is positioned to enter the construction phase. When completed, the 25-meter GMT will have more than six times the ...

Giant Magellan Telescope's third mirror unveiled

The Giant Magellan Telescope's third primary mirror will be unveiled at the University of Arizona's Steward Observatory Mirror Lab on December 6, 2013. The combined surface area of the three mirrors created to date surpasses ...

Planet 'devoured in secret' by its own sun

(Phys.org)—A planet roughly 1.4 times the size of Jupiter is being consumed by its own star behind a shroud thanks to a magnesium veil absorbing all of certain light wavelengths, according to new observations by the Hubble ...

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