Satellites come in all shapes and sizes, but there aren't any that look quite like SPHEREx, an infrared observatory NASA ...

You can make the case that none of them are in true color. But then again, if they were, they’d be unable to reveal the true ...

Yellow happens to sit in a lucky wavelength spot. According to the American Academy of Ophthalmology (AAO), when red and ...

NASA’s SPHEREx space telescope has officially begun its journey of cosmic exploration after successfully ejecting its dust ...

A SpaceX Falcon 9 rocket launched two NASA science probes on March 11, 2025 in a spectacular nighttime liftoff from ...

NASA's newest space telescope will scan the entire sky in a range of near-infrared wavelengths to help astronomers better understand the evolution of the universe and search for promising spots for ex ...

On March 13-14, 2025, a total lunar eclipse or "blood moon" will be visible across the Americas and beyond. Here are some odd ...

Most people are trichromatic, meaning the three types of cone cells in their eyes are sensitive to three wavelengths of light – red, blue, and green. The combination of signals from these three ...

Humans, and many other animals, have three types of cones which each absorbs different wavelength of lights. With short, medium and long wavelength cones, the range of cones allows for a range ...

Blazars are active galaxies that emit narrow jets of ionized matter from their centers, aimed towards Earth. Depending on ...