The Keplerian design does have the downside ... and the majority of refracting telescopes are designed this way, even today. Early telescopes were all refracting telescopes of the kind Galileo ...

Enjoy a good view from anywhere with this monocular telescope, now $23 Credit: Mesay Deal pricing and availability subject to change after time of publication. TL;DR: Get a good view from anywhere ...

A conception of the James Webb Space Telescope orbiting the sun 1 million miles from Earth. Credit: NASA GSFC / CIL / Adriana Manrique Gutierrez In death, there can be great beauty. Astronomers ...

Astronomers using NASA’s James Webb Space Telescope just gave a cosmic mystery a serious plot twist. The event in question—a sudden brightening from a star about 12,000 light-years away—was ...

The James Webb Space Telescope identified the lights in the distant planet’s atmosphere, which could not be seen by earlier telescopes or spacecraft. By Robin George Andrews The vermilion ...

The sixteen sources were observed with the Event Horizon Telescope during its first campaign in 2017. The extreme resolution achieved by the Event Horizon Telescope enabled studies of jets closer ...

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. This Hubble Space Telescope image shows a spiral ...

The newly discovered comet is already putting on a show for amateur astronomers with telescopes at the ready. Comet SWAN25F, first spotted in data from the SWAN instrument aboard the sun-watching ...

What did Gaia achieve? And perhaps most importantly, why was it my favourite space telescope? Gaia was retired for a simple reason: after more than 11 years in space, it ran out of the cold gas ...

According to an article published by NASA on Wednesday, March 26, the Webb telescope “captured bright auroral activity on Neptune” for the very first time in June 2023. Despite “successful ...

Brown says he couldn't have asked for a better telescope to hunt his celestial quarry. "If you were to hand me a big wad of cash and say, 'Go build a telescope to go either find this Planet 9 or ...