A monster galaxy from the early universe shows that the cosmos was rich with oxygen when it was only less than 3% of its present age, astronomers have found. The discovery raises questions about how ...

Understanding the gas from which stars form is a fundamental goal in astrophysics. This is a pressing issue for pristine galaxies — those low in heavy elements, known as metals — whose growth remains ...

Images taken with the MIRI infrared camera on the James Webb Space Telescope (JWST) have made it possible to observe the first galaxies in long-wavelength infrared light for the first time. “In the ...

The early universe is speckled with little red dots, and now we may have an idea of how these peculiar galaxies originated: They were born with almost no spin. Little red dots were totally unknown ...

Answers to some of cosmology's most pressing questions are obscured by simple dust. It concerns the Cosmic Noon, a period of time that began around 2 billion years after the Big Bang, when nearly all ...

A weird type of galaxy seen in the early universe has now been spotted in a more recent part of the cosmos, raising questions about their true nature. Over the past few years, astronomers using the ...