The Atacama Large Millimeter/Submillimeter Array (ALMA) in the Chilean Andes is one of the most powerful radio telescope ...

Astronomers using the James Webb Space Telescope report that a powerful gamma-ray burst detected in March may have been produced by the explosion of a massive star just 730 million years after the Big ...

It’s always amazing, and more than a little humbling, when the universe reminds us that our “common sense” is provincial, ...

There is an important and unresolved tension in cosmology regarding the rate at which the universe is expanding, and ...

The Roman telescope promises to provide a clearer picture of the large-scale structure of the universe and the forces shaping ...

The Webb space telescope observed a supernova that took place when the universe was 730 million years old, setting a new ...

A supernova has been detected at an unprecedented cosmic distance. The explosion, designated SN in GRB 250314A, occurred when the universe was only about 730 million years old, placing it deep in the ...

A surprisingly mature spiral galaxy named Alaknanda has been spotted just 1.5 billion years after the Big Bang—far earlier ...

By studying faint distortions in galaxy shapes across a vast region of sky, scientists probed the hidden structure of the universe. In the standard picture of the universe, nearly everything is hidden ...

For much of the twentieth century, scientists expected the expanding universe to slow over time. The opposite turned out to ...

New measurements using gravitational lensing suggest the universe’s current expansion rate does not agree with signals from ...

Yu-Jing Qin, a postdoctoral researcher at California Institute of Technology (Caltech), led a series of spectroscopic ...