Conflict between theory and observational evidence suggests a missing ingredient in our understanding of the early Universe.
JWST provides unprecedented look at exoplanet WASP-39b
New observations of WASP-39b with the JWST has provided the clearest, most detailed picture of an exoplanet to date.
James Webb Telescope images the Pillars of Creation
This month, NASA’s James Webb Telescope captured images of the Pillars of Creation in breathtaking detail.
Upper mass limit of massive stars revisited
Physicists at the Gemini Observatory have found a new mass limit for massive stars, and found it to be lower than previously thought.
The curious case of a star-forming ring in the NGC 3182 galaxy
An unexpected finding in the heart of the NGC 3182 galaxy led to an intriguing search for the origins of a ring of star-forming gas.
First images from James Webb Space Telescope published by NASA
NASA has published the first five images from the James Webb Space Telescope, highlighting each of the key questions it will study.
First glimpse of orbiting companions to X-ray binary star
The first images of the environment around an energetic X-ray binary star could help expand our understanding of planet and star formation.
Mysterious death of carbon star
Scientists have observed the mysterious death of a carbon-rich star, which was characterized by the mass ejection of matter into space.
Steven Hawley: “I’ve always enjoyed the progress we made”
Astrophysicist and retired NASA astronaut Steven Hawley takes us through his fascinating career.
Innovative science in 2021
Catch up on some of the most exciting and impactful developments in science from this year, published on ASN and selected by our editors.