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News Articles: JWST

This image shows a 'close-up' of the galaxy GN-z11 as imaged by the Hubble Space Telescope, superimposed on top of another image marking the galaxy's location in the sky.

James Webb Telescope detects earliest known black hole — it's really big for its age

Data from the James Webb Space Telescope indicate that a galaxy known as GN-z11 has a supermassive black hole at its center — one that's far more massive than astronomers expected.

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By:
  • Ari Daniel
The James Webb Space Telescope captured an image of a newborn star that reveals what Earth's sun may have looked like when it was only a few tens of thousands of years old.

NASA releases 'baby picture' of a star that will grow up to be much like our sun

A new image from NASA's James Webb Space Telescope reveals what Earth's sun could have looked like in its infancy.

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By:
  • Clare Marie Schneider
This artist's impression shows a hazy sub-Neptune-sized planet recently observed with the James Webb Space Telescope.

The James Webb Space Telescope reveals a mysterious planet to be weirdly shiny

Astronomers pointed the James Webb Space Telescope at a common kind of planet that's bigger than Earth but smaller than Neptune. What they saw wasn't what they expected.

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By:
  • Nell Greenfieldboyce
The James Webb Space Telescope's primary mirror is made up of 18 hexagonal segments. Now that the telescope is in space, mission managers need to perfectly align them so the segments work as one giant mirror.

The first images from NASA's new space telescope show how it's coming into focus

The James Webb Space Telescope has seen its first starlight, but its 18 mirror segments aren't yet perfectly aligned. As a result, the pictures it's sending back now aren't exactly cosmic eye candy.

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By:
  • Nell Greenfieldboyce
The James Webb Space Telescope will capture pictures of the very first stars in the universe and help scientists study the atmosphere of planets orbiting stars outside our solar system to see if they might be habitable.

The James Webb telescope reaches its final destination in space, a million miles away

The $10 billion telescope is nearly ready to begin capturing images that scientists hope will help uncover the mysteries of the universe — and scope out other possible habitable planets.

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By:
  • Vanessa Romo