See the video below to see what [styropyro] claims is the brightest laser pointer in the world. The key is a possibly gray market very large green laser array. It appears to have at least 24 ...

The James Webb Space Telescope has taken its first look at the near-Earth asteroid 2024 YR4 before a perilous close approach in 2032. The telescope confirmed Earth is safe, but the moon may still ...

Anyone who stares at the sun, even on a regular day, can get solar retinopathy, Dr. Julie Rosenthal, a clinical assistant professor of ophthalmology and visual sciences at the University of ...

Partial solar eclipse: Where and when ...

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The space telescope's image of a odd-looking spiral galaxy is, in reality, two distant galaxies overlapping each other. An elliptical galaxy and a spiral galaxy appear as one celestial body as a ...