NASA's James Webb Telescope Reveals Universe Expanding Faster Than Thought
The rate of expansion of the universe today is a figure known as the Hubble constant, which is typically measured in units of kilometers per second per megaparsec (km/s/Mpc), where a megaparsec (Mpc) is about 3.26 million light-years.
4K James Webb Space Telescope Snaps 90,000 Light-Year Wreath
The James Webb Space Telescope has captured imagery of spiral galaxy NGC 7469, which is 90,000 light-years in diameter. The galaxy is "roughly 220 million light-years from Earth in the constellation Pegasus,
James Webb Space Telescope finds smallest asteroids ever seen between Mars and Jupiter
By reverse-engineering James Webb Space Telescope (JWST) exoplanet data, a team of astronomers just spotted dozens of tiny asteroids — including the smallest ever seen in the main belt between Mars and Jupiter.
James Webb Telescope Uncovers 'Baby Milky Way' Galaxy Actively Shaping The Early Universe
This galaxy, which is stretched and magnified, glitters with 10 distinct star clusters that formed at different times.
'Our understanding of the universe may be incomplete': James Webb Space Telescope data suggests we need a 'new cosmic feature' to explain it all
Hubble was right!' The largest cosmic survey from the James Webb Space Telescope indicates scientists may need another ingredient in their cosmic recipe.
The Very Best Images From the James Webb Telescope in 2024
The James Webb telescope spent another year collecting instantly iconic space imagery. Here are some of our favorites.
James Webb telescope confirms we have no idea why the universe is growing the way it is
A dense cluster of bright stars, each with six large and two small diffraction spikes, due to the telescope’s optics.
Cracks in cosmological theory: James Webb telescope is challenging what we know about the universe
This month marks three years since the James Webb Space Telescope was first launched, which still feels something like a miracle given how many years of delays it took to finally get it orbiting our planet.
James Webb telescope data suggests undiscovered cosmic force could be behind Universe’s expansion
There is something missing in our understanding of the Universe to explain its expansion, known as dark energy, that began after the Big Bang, according to a new study using James Webb Space Telescope observations.
James Webb Space Telescope Exposes a Cosmic Mystery That Could Change Everything We Know!
The James Webb Space Telescope (JWST) has provided a stunning new glimpse into the cosmos, revealing findings that challenge one of the most persistent mysteries in modern astrophysics. For over a decade,
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'We know so little': Bizarre 'runaway' planets discovered by James Webb telescope may be failed stars in disguise
A new theory explains how dozens of mysterious planet pairs discovered by the James Webb Space Telescope, dubbed "JuMBOs," ...
Day 12 of the 2024 Space Telescope Advent Calendar
This mid-infrared image of colliding galaxies IC 2163 and NGC 2207 from the James Webb Space Telescope shows two large ...
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Firefly Sparkle: Webb telescope 'weighs' a galaxy for the first time
Nicknamed the Firefly Sparkle, this galaxy existed just 600 million years after the Big Bang and gleams with 10 distinct star ...
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'Eight billion bucks or bust': From pirates to 'stupid mistakes' — the wild story of how James Webb Space Telescope almost failed to launch
"Budget overruns, bureaucratic malfeasance, congressional oversight, review-​board reckonings, the whole process of ...
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Spiderweb protocluster is filled with baby galaxies, James Webb Space Telescope reveals (image)
"We are observing the build-up of one the largest structures in the universe, a city of galaxies in construction." ...
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Meet Firefly Sparkle, Webb telescope's galaxy find similar to Milky Way
Firefly Sparkle is a lightweight among the universe's galaxy contenders seen by Nasa's James Webb Space Telescope, but the discovery is no less important than more massive galaxies because of ...