We may never know – and the universe may not even have an edge. But here’s what we do know.
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Articles on James Webb Space Telescope (JWST)
Displaying 1 - 20 of 72 articles
Some of the earliest galaxies found with JWST are also the brightest. That’s a problem for our ideas about the universe.
The discovery can also give clues not only about Charon, but other objects out near Pluto.
Right now, it looks like cosmology is at a tipping point.
These small galaxies are either crammed with stars or they host gigantic black holes. The data astronomers have collected continues to puzzle them.
The first International Astronomical Union General Assembly was held just over 100 years ago, in Rome, Italy.
Astronomers Vicent Martínez and Bernard Jones explain the mystery of the Hubble tension, and why it matters so much for our understanding of the universe, on The Conversation Weekly podcast.
Analysis of two major cosmic blasts deepens the mystery of where the universe’s ‘heavy’ elements come from.
A type of eclipse is crucial for measuring what’s in the atmospheres of planets orbiting distant stars.
Now out in space for more than two years, the James Webb Space Telescope is a stunningly sophisticated instrument.
With the help of a magnifying glass 4 million lightyears wide, astronomers may have solved the riddle of what burned away the hydrogen fog that pervaded the early universe.
The atmosphere is a reflection of extreme conditions on the super-heated planet.
The discovery provides a way to study the birth of an entirely new planet in real time.
The results are intriguing, but analysing the atmospheres of exoplanets is no easy task.
The James Webb Space Telescope has detected key carbon-bearing molecules on the potential ocean world K2-18b, including tantalising hints of a substance produced by tiny plankton on Earth.
An astronomer and ‘black hole historian’ explains how the parts of the universe black holes grow in might influence how quickly they become bright, supermassive objects.
A new hypothesis suggests that the universe may be twice as old as we had believed. Observations from the James Webb Space Telescope provide new information on the rate of the universe’s expansion.
The universe used to be filled with a hydrogen fog, before early stars and galaxies burned through the haze. Astronomers are studying galaxies that tell them about this period in the early universe.
Both Stephen Alexander’s elementary teachers and televised NASA missions throughout the ‘60s influenced his journey into science. He recounts NASA’s legacy, 65 years after the agency’s inception.
Space telescopes are limited in size due to the difficulties and cost of getting into orbit. By revamping an old optical technology, researchers are working on a lightweight and thin telescope design.
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Top contributors
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University Distinguished Professor of Astronomy, University of Arizona
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Professor of Astrophysics and Space Science, University of Leicester
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ARC Laureate Fellow & Distinguished Professor, Centre for Astrophysics & Supercomputing, Swinburne University of Technology
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Regents Professor of Astronomy, University of Arizona
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Host, The Conversation Weekly Podcast, The Conversation
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Lecturer, Centre for Astrophysics and Supercomputing, Swinburne University of Technology
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Senior Scientist at the James Webb Australian Data Centre, Swinburne University of Technology
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Associate Dean for Research and Professor of Astronomy and Planetary Sciences, University of Arizona
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Associate Science Editor & Co-Host of The Conversation Weekly Podcast, The Conversation
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Professor (Astrophysics), University of Southern Queensland
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Associate Professor in Astronomy, Monash University
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Senior Lecturer in Physics, Nottingham Trent University
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Astrophysicist/Cosmologist, Australian National University
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Emeritus Professor, University of Groningen
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Research Fellow, School of Physics and Astronomy, University of Nottingham
