Over the quarter century I’ve been writing this column, I've been flabbergasted by the advances in telescopes for backyard ...

To measure these large, concave mirrors ... the University of Arizona manufactures many of the world's largest telescope mirrors. Dynamic interferometry also enables measurement of optics for ...

The world’s largest optical mirror was successfully installed on a support system prototype for the first time to validate ...

NASA's Nancy Grace Roman Space Telescope is one giant step closer to unlocking the mysteries of the universe. The mission has ...

Since its deployment, the James Webb Space Telescope has been fine-tuned by experts to maintain its powerful optical ...

NASA's James Webb Space Telescope is the largest and most powerful telescope ever launched to space. Its mirror is composed of 18 individual segments that have been aligned so accurately, that they ...

PRIMA is being developed as a NASA space telescope with an actively cooled 1.8-meter primary mirror made of aluminum. The two ...

NASA is set to launch a brand new space telescope that can see 100 times ... prisms, self-flexing mirrors and masks roughly the size of a baby grand piano. It is designed to block the light ...

But since NASA's James Webb Space Telescope came online in 2022, astronomers have been surprised to find supermassive black holes inhabiting the early universe - earlier than they had thought ...

Suspended by suction cups, one of the Giant Magellan Telescope's seven primary mirror segments is hoisted onto its support structure by a crane at the Richard F. Caris Mirror Lab. Inside the ...

The best telescopes for various purposes and budgets — from beginner to smart telescopes and everything in between. Black Friday is later this month, so there's plenty of scope for a great deal.

Astronomers have used a range of telescopes, including Hubble, to watch as particles dance around a neutron star collision that created the smallest black hole ever seen. Astronomers have ...