Hundreds of mysterious objects have appeared in images captured by the Webb space telescope. The curious dots could reshape scientists’ understanding of the cosmos.

It is located about 25 million light-years from Earth in the constellation Ursa Major.

They discovered that the host galaxy is incredibly massive — weighing in at over 40 billion times the mass of our Sun — and deeply obscured. The James Webb Space Telescope, which can peer through gas ...

T he first time I heard about galaxies without dark matter, I was sitting in my very first graduate class at the University of São Paulo. It was 2018, and the discovery had just ...

Using a novel technique that examines the motion of two nearby galaxy groups within their surrounding cosmic flow, an ...

The local universe may be expanding more slowly than previously thought, scientists have found. The discovery, made in two separate pieces of research, could relieve one of the most troubling ...

The research could shed light on how black holes vomit out matter and how this influences their home galaxies.

NASA chief Jared Issacman appears to be among those who support Pluto being reclassified as a planet. Could President Trump sign an executive order?

Teton County, Wyo. - One of Wyoming's most beautiful places has been ranked as one of the best dark sky parks in the country ...