jwst
TRAPPIST-1 Has Flares. What Does This Mean for its Planets?
Using spectra obtained by Webb, an international team examined three TRAPPIST-1 exoplanets during a series of flares.
More JWST Observations are Finding Fewer Early Massive Galaxies
Astronomers using JWST were surprised to find mature-looking galaxies in the early Universe; they challenged existing models of cosmology. Astronomers…
Compare Images of a Galaxy Seen by Both Hubble and JWST
The James Webb Space Telescope is widely considered to be better than the Hubble Space Telescope. But the JWST doesn't…
Those Impossibly Massive Early Galaxies Might Just Be Surprisingly Bright
A new series of simulations from Northwestern shows that those impossibly large galaxies were actually just very, very bright!
Can JWST Tell the Difference Between an Exo-Earth and an Exo-Venus?
As of this month, astronomers have discovered 5,506 exoplanets orbiting other stars. That number is growing daily, and astronomers are…
Astronomers Watched a Massive Star Just… Disappear. Now JWST Might Have Some Answers
In 2009, astronomers watched a bizarre mystery unfold. An enormous star, with 25 times the mass of the Sun, faded…
Lose Yourself in the JWST’s Exquisite Image of Barnard’s Galaxy
There may come a day when we grow weary of JWST images. But it's not today. Today, we can lose…
The JWST Just Found Carbon on Europa, Boosting the Moon’s Potential Habitability
Most planets and moons in the Solar System are clearly dead and totally unsuitable for life. Earth is the only…
It’s Like Looking at the Infant Sun: Webb Captures Image of an Energetic Young Star
Ever wondered what our young Sun might have looked like in its infancy some five billion years ago? The audacious…
How Can We Bring Down the Costs of Large Space Telescopes?
We're all basking in the success of the James Webb Space Telescope. It's fulfilling its promise as our most powerful…