A compound lens forged by two galaxies is helping astronomers get a bead on the Hubble Constant and dark energy.

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Explore the skies for less with the Celestron SkyMaster Pro 20x80 at their lowest price since February — now $210 ahead of ...

Two massive galaxies are bending light from the same distant quasar, creating a so-called Einstein zigzag lens that could ...

Not only that, but the second lens also magnifies the first – though not very bright, it can be seen in the images collected ...

Optimised for a ¼-inch format camera sensor – the new Resolve Optics non browning 10x zoom lens can withstand exposure to ...

To protect your eye health and support your vision, these are 10 simple things you can do every day for your eyes.

Scientists test the famous physicist’s predictions by calculating the distortion of time and space. Why is the expansion of ...

Electoral College Map Projector Flips Two States to Kamala Harris Stanley Tucci Just Shared His New York Deli Order, and "It's Heavenly" NFL News: Cowboys HC Mike McCarthy provides major injury ...

The interpupillary distance between the two lenses is 11.6mm, and the strongest spatial effects will occur with objects between about 15 and 50cm (6–20") from the lens, so Canon says placing objects ...