The space telescope's image of a odd-looking spiral galaxy is, in reality, two distant galaxies overlapping each other.

The strange sight is actually two galaxies, with the light of the second warped around the one at the front as a result of ...

Known as SIMP 0136, the $10 billion James Webb Space Telescope caught a glimpse of it floating through the universe all by ...

A century ago, Edwin Hubble revolutionized our understanding of the universe by proving that the Milky Way is just one of many galaxies in an ever-expanding cosmos. This breakthrough led to the ...

Vivian Poulin asks if the tension between a direct measurement of the Hubble constant and constraints from the early universe ...

Webb captured an Einstein ring formed by a distant galaxy's light bending around a closer one. This rare alignment magnifies ...

The clearest and most precise images yet of the universe in its infancy—the earliest cosmic time accessible to humans—have ...

A mysterious and powerful burst of radio waves reached Earth after traveling through space for 8 billion years dubbed FRB ...

A changing understanding of dark energy may provide a new answer European telescope studying the dark universe unveils ... 2021 as the successor to the Hubble Space Telescope, Webb observed ...