On March 25, 1655, Dutch astronomer Christiaan Huygens pointed his 50-power refracting telescope toward Saturn. He and his brother had been perfecting telescope-building techniques, including making ...

Winds exceeding 110 mph that tore across the top of Mount Hamilton early Christmas morning blasted a massive steel protective door off the iconic white dome at Lick Observatory. Now, with back-to-back ...

What Are the Main Types of Telescopes? A common way to classify telescopes is by the type of signal they detect. Optical telescopes gather visible light; on the other hand, non-optical telescopes ...

The views are undoubtedly impressive, with sharp and bright images of a variety of night sky objects, but the hard, uncomfortable twist-up eyecups made us not want to reach for them. Why you can trust ...

Quantitative phase imaging (QPI) is a microscopy technique widely used to investigate cells and tissues. Even though first biomedical applications based on QPI have been developed, both acquisition ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Christmas is a popular time ...

Zubuyer Kaolin has forever had an unwavering knack for astronomy. Bringing a spin to this, he took up a rare interest in astrophotography. The craft, also known as astronomical imaging, is the ...

Avantier offers the latest in high-performance Ritchey-Chrétien telescopes with extensive use of aluminum and silicon carbide (SiC). These telescopes are inherently athermal and lightweight, ensuring ...

Home to the world’s largest refracting telescope, the Yerkes Observatory in Wisconsin was so influential that Albert Einstein insisted on visiting. Now you can too. Sometimes called “the birthplace of ...