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The Latest Breaking News from JWST

James Webb telescope discovers 'inside out galaxy' near the dawn of time

A bright spiral galaxy appears on a background of thousands of other distant galaxies

LiveScience

James Webb Space Telescope takes center stage in 'Infinite Cosmos'. Author Ethan Siegel explains it all (exclusive)

An exclusive interview with "Infinite Cosmos'" astrophysicist author Ethan Siegel.

Space

This Early Galaxy Grew Inside Out And Upends What We Know About Star Formation

The inside-out growth of this ancient galaxy could teach us something about the history of our own Milky Way and how it compares to the rest of the universe.

Inverse

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The earliest galaxies formed amazingly fast after the Big Bang. Do they break the universe or change its age?

The James Webb Space Telescope (JWST) is the largest and most powerful space telescope built to date. Since it was launched in December 2021 it has provided groundbreaking insights. These include discovering the earliest and most distant known galaxies, which existed just 300 million years after the Big Bang.

The Conversation

32 alien planets that really exist

Beyond our solar system, countless alien worlds of lava, ice, water and noxious gas swirl through the cosmos. Here are some of the strangest exoplanets that scientists have discovered so far.

LiveScience

James Webb Space Telescope finds 'puffball' exoplanet is uniquely lopsided

Using the James Webb Space Telescope astronomers have found that a strange inflated exoplanet is even weirder than they realized finding a strange asymmetry in its atmosphere.

Space

How dark energy could relieve 'Hubble tension' and galaxy headaches

The Hubble tension, a longstanding problem in cosmology, could potentially be relieved if early dark energy is taken into account.

Space

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James Webb Space Telescope witnesses a 'smiling' galactic collision (images)

The James Webb Space Telescope has imaged a collision between two galaxies that appears to have created a beaming smile in space.

Space

Cosmology is at a tipping point – we may be on the verge of discovering new physics

For the past few years, a series of controversies have rocked the well-established field of cosmology. In a nutshell, the predictions of the standard model of the universe appear to be at odds with some recent observations.

The Conversation

Is asteroid Psyche actually a planetary core? James Webb Space Telescope results cast doubt

The presence of hydrated minerals, including possibly water-ice, might indicate an unexpected origin for Psyche, far from the sun.

Space

A moon of Uranus could have a hidden ocean, James Webb Space Telescope finds

Astronomers have found that Ariel, a moon of Uranus, has some of the most carbon dioxide-rich deposits in the solar system, hinting at a buried water ocean.

Space

James Webb Space Telescope directly images its coldest exoplanet target yet

Using the James Webb Space Telescope, astronomers have investigated a super-Jupiter that is one of the coldest exoplanets ever directly imaged.

Space

Alien weather report: James Webb Space Telescope detects hot, sandy wind on 2 brown dwarfs

The JWST's infrared vision has seen deep into the stormy atmosphere of two brown dwarfs that form the third closest system to the sun.

Space

Can the James Webb Space Telescope see galaxies over the universe's horizon?

The James Webb Space Telescope has revolutionized astronomy in just two years of operations, but how can it see a galaxy 33.8 billion light-years away in a universe that is only 13.8 billion years old?

Space

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Space

James Webb Space Telescope sees an ancient black hole dance with colliding galaxies

Using the James Webb Space Telescope, astronomers have witnessed the dramatic dance between a supermassive black hole-powered quasar and merging galaxies less than a billion years after the Big Bang.

Space

James Webb Space Telescope suggests this exoplanet is our 'best bet' at finding an alien ocean

James Webb Space Telescope data suggests the exoplanet LHS 1140 b is a water world in its star's habitable zone that sports a lovely, temperate ocean.

Space

Extreme 'hot Jupiter' exoplanet stinks like rotten eggs and has raging glass storms

As if deadly rains of glass, temperatures hot enough to melt lead, and sidewise 5,000 mph winds weren't unfriendly enough, the JWST has found a Jupiter-sized exoplanet also stinks of rotten eggs.

Space

Happy 4th of July! Infant star creates red, white and blue fireworks in new JWST image

Just in time for Independence Day, the James Webb Space Telescope has imaged a red, white and blue fireworks display, courtesy of an infant star at the heart of a dense cloud of gas and dust.

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LiveScience

This impossibly massive black hole wasn't very hungry during the dawn of time

Using the James Webb Space Telescope, astronomers have discovered an improbably huge black hole near the dawn of time, which doesn't seem to be eating near as much as it should.

Space

James Webb Space Telescope spots 'Cosmic Gems' in the extremely early universe (video)

The JWST has detected star clusters that existed less than 500 million years after the Big Bang. These clusters, in the Cosmic Gems arc, could reveal secrets of cosmic evolution.

Space

This impossibly massive black hole wasn't very hungry during the dawn of time

The James Webb Space Telescope saw a supermassive black hole that wasn't overfeeding when time began, deepening the mystery of how black hole grew so massive so quickly.

Space

'Supernova discovery machine' James Webb Space Telescope finds most distant star explosion on record

The JWST has proven itself to be a "supernova discovery machine" by finding 80 exploding stars in the infant universe, including the most distant and earliest supernova ever seen.

Space

James Webb Space Telescope spots asteroid collision in neighboring star system

The James Webb Space Telescope has seen signs of a violent asteroid collision in neighboring star system, Beta Pictoris. The observations could reveal the early stages of planet birth.

Space

Rocky, carbon-rich exoplanets more likely around tiny stars, James Webb Space Telescope reveals

Astronomers using the JWST have discovered tiny stars may be better suited at birthing small, rocky planets with atmospheres dominated by carbon.

Space

James Webb Space Telescope spots the most distant galaxy ever seen (image)

James Webb Space Telescope has spotted the two earliest and most distant galaxies ever seen. One, JADES-GS-z14-0, is a massive and bright galaxy that existed just 300 million years after the Big Bang.

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