A secret population of hidden galaxies ... else in the universe producing its glow. Far-infrared light, associated with longer wavelengths than what even the James Webb Space Telescope can see ...

There are thousands of galaxies contained in this image, including a cluster that looks to us as it was when the universe was ...

Galaxies are the building blocks of the universe. Clusters of galaxies, and clusters of clusters of galaxies, called superclusters, make up the structures in the geography of the universe.

Hubble's brilliant observation was that the red shift of galaxies ... universe expanding, much like the aftereffect of an explosion, must have once been "unexploded," a single mass in time and space.

The visible universe—including Earth, the sun, other stars, and galaxies—is made of protons ... by quantum fluctuations in otherwise "empty" space. What's more, the force seems to be growing ...

This new Picture of the Month from the NASA/ESA/CSA James Webb Space Telescope ... the survey has found galaxy groups from the first 2 billion years of the universe, when it was 14% of its current ...

The largest sample of galaxy ... the European Space Agency's (ESA) picture of the month from April 29. "We're able to actually observe some of the first galaxies formed in the universe," says ...

The team conducted the MIRI EGS Galaxy and AGN (MEGA) survey with the James Webb Space Telescope to better understand this crucial epoch in the universe's 13.8-billion-year history. "We want to ...