Firefly Sparkle is a lightweight among the universe's galaxy contenders seen by NASA's James Webb Space Telescope, but the ...

Nasa’s James Webb Space Telescope has detected and ‘weighed’ a galaxy that existed about 600 million years after the big bang.

For the first time, the NASA/ESA/CSA James Webb Space Telescope has detected and "weighed" a galaxy that not only existed ...

Findings based on two years of Webb telescope observations Data shows universe expanding 8% faster than expected WASHINGTON — ...

In “Pillars of Creation,” Richard Panek shows how the James Webb Space Telescope is altering our view of the cosmos ...

Hubble Space Telescope can "only see the universe in shades of grey," according to NASA's Goddard Space Flight Center. Learn how the imagery is processed into amazing color views of the cosmos. Credit ...

The latest findings, published in The Astrophysical Journal on December 9, offer a high-precision measurement of the Hubble ...

The rate of expansion of the universe today is a figure known as the Hubble constant, which is typically measured in units of ...

Encountering Neptune in 1989, NASA’s Voyager mission completed humankind’s first close-up exploration of the four giant outer ...

JWST researchers reported on measurements built on last year's confirmation based on Webb data that Hubble's measurements of ...

The telescope has offered an unprecedented view of a supermassive black hole at the center of a quasar as it munches material in space.

"Budget overruns, bureaucratic malfeasance, congressional oversight, review-​board reckonings, the whole process of ...