Jee compared dark matter to crystal-clear water in a pond, with pebbles as the galaxies. “You cannot see the water unless ...

Emirates Astronomy Society achieves a historic milestone by photographing the Crescent Nebula, 5,000 light-years away, ...

This large gas bubble of ionized hydrogen and oxygen is formed and appears in fine detail when imaged using narrow-field ...

The Emirates Astronomical Society (EAS) announced a new achievement, adding to the accomplishments of its member ...

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Vera Cooper Rubin (1928–2016) was a pioneering American astronomer who reshaped our understanding of the cosmos. In the 1970s ...

This article was originally published with the title “Newtonian Telescope for Amateurs” in SA Supplements Vol. 7 No. 179supp (June 1879), p. 2848 doi:10.1038/scientificamerican06071879-2848supp ...

I’m your teacher for the next few minutes, to break down what it is about D3O ’s non-Newtonian material that makes its upcoming range of helmet protection potentially revolutionary. Let’s begin.

The plan was to make a Newtonian telescope for IR instead of light. While the resulting telescope worked with visible light, the diffraction limit prevented it from working for its intended purpose.

Telescopes are great tools for observing the heavens, or even surrounding landscapes if you have the right vantage point. You don’t have to be a professional to build one though; you can make… ...

He oversaw the construction of a 40 ft (12 meters) long Newtonian-based reflector telescope. This enormous telescope was the largest in its day and would have been a real sight to see.