Add Yahoo as a preferred source to see more of our stories on Google. A NASA space telescope on a mission to map millions of galaxies has turned on its detectors for the first time, capturing images ...

In a world that often measures itself in days, years, decades and centuries, a second seems insignificant. But a lot can happen in an instant. It takes a lightning bolt just 30 microseconds to strike ...

You know how the James Webb Space Telescope is said to be revolutionizing astronomy because it can study wavelengths hidden to human eyes? Well, those wavelengths lie in the infrared region of the ...

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NASA’s SPHEREx telescope has just completed an extraordinary feat: it has mapped the entire sky over Earth in stunning detail. This remarkable achievement marks a significant milestone in the mission ...

NASA's advanced space observatory known as SPHEREx is on its cosmic journey to solve some of the universe's biggest mysteries. The space telescope, which NASA has spent years developing, launched ...

The interstellar object, 3I/ATLAS, was first discovered in July 2025, and made its closest approach to the sun (perihelion) in late October. New observations of 3I/ATLAS were taken in December from ...

NASA’s SPHEREx joined Webb and Hubble in studying interstellar comet 3I/ATLAS, gathering data on its size, chemistry, and physical traits. While harmless to Earth, the comet provides scientists a rare ...