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

NASA's Roman Space Telescope has received its Optical Telescope Assembly, paving the way for its mission to explore the ...

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 ...

Space-based telescopes are remarkable. Their view isn't obscured by the weather in our atmosphere, and so they can capture ...

The Roman Coronagraph Instrument on NASA's Nancy Grace Roman Space Telescope will enable scientists to detect the faint light ...

From its halo-like orbit nearly a million miles from Earth, the James Webb Space Telescope is seeing ... The observatory's 21.3-foot (6.5-meter) primary mirror and four infrared instruments ...

The James Webb telescope has spotted three gigantic "red monster" galaxies that were spawned soon after the Big Bang. They're so large they could rewrite the laws of galactic evolution. The James ...

The dramatic 2020 collapse of the famous Arecibo Telescope was 39 months in the making, according to a new federal report. The just-released National Academy of Sciences, Engineering, and Medicine ...

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 ...

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.

Despite the lack of a dedicated mission to the planet, scientists have learned plenty through ground observations and space telescopes A photo of Neptune, taken by the Voyager 2 probe, with the ...