Image: Clear, but what color and opacity? Everything we know: * They’re “an exciting collaboration” that’s “straight from ...

Scientists have uncovered “Quipu,” the largest known galactic structure, stretching 1.4 billion light-years. This discovery ...

As it nears 35 consecutive years of space service, the NASA/ESA Hubble Space Telescope has taken another look at a famous ...

Light was long considered to be a wave, exhibiting the phenomenon of interference in which ripples like those in water waves ...