cosmic dawn
Remember Those Impossibly Massive Galaxies? They May Be Even More Massive
A new analysis of those James Webb images showed that the galaxies it observed (deemed "too massive") could be even…
The First Stars May Have Weighed More Than 100,000 Suns
The universe was simply different when it was younger. Recently astronomers have discovered that complex physics in the young cosmos…
Astronomers are Working on a 3D map of Cosmic Dawn
The latest results from the HERA Collaboration suggest how the earliest galaxies in the Universe slowly dispelled the cosmic "Dark…
Webb Completes its First “Deep Field” With Nine Days of Observing Time. What did it Find?
About 13 billion years ago, the stars in the Universe's earliest galaxies sent photons out into space. Some of those…
Next-Generation Gravitational Wave Observatories Could Detect the First Stars When They Exploded as Supernovae
The first stars to appear in the universe are no longer with us - they died long ago. But when…
Are the Burned-Out Remnants of the First Stars all Around us?
The first stars to appear in the universe lived fast and died young. Today, none of them likely remain. But…
Cosmic Dawn Holds the Answers to Many of Astronomy’s Greatest Questions
A new study takes a look at what astronomers will be able to see when the Cosmic Dawn becomes observable…
Astronomers are hoping to see the very first stars and galaxies in the Universe
Sometimes it's easy being an astronomer. When your celestial target is something simple and bright, the game can be pretty…
We May Soon Be Able To See the First, Supergiant Stars in the Universe
We need to talk about the dark ages. No, not those dark ages after the fall of the western Roman Empire.…
Astronomers Catch a Galactic Threesome in the Act
An enormous and incredibly luminous distant galaxy has turned out to actually be three galaxies in the process of merging…