When you watch the animation above, if you’re anything like me, two things will happen. First, you’ll start humming the Star Trek theme song (preferably not aloud), and second, you’ll be astonished by ...

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. In this ...

"If galaxies are all moving apart at ever increasing speed, how can they collide?" —J. Gow, Fairfax, Va. Cosmologist Tamara Davis, a research fellow at the University of Queensland in Australia and an ...

Astronomers wish to confirm the connection between early galaxies and reionization because detailed studies of this period of cosmic history will reveal the physical processes that originally shaped ...

NASA's Hubble Space Telescope has uncovered new evidence that galaxies are embedded in and protected by halos of dark matter, the invisible form of matter that accounts for most of the universe's mass ...

The Milky Way is set to collide with its closest neighbor, the Andromeda galaxy, astronomers working with the Hubble Space Telescope said Thursday. Galactic residents need not brace for impact just ...

Astronomers exploring the faraway universe with the James Webb Space Telescope, NASA’s most powerful telescope, have found a class of galaxies that challenges even the most skillful creatures in ...

Astronomer Edwin Hubble, after whom the space telescope is named, classified galaxies according to shape. The Hubble scale chart takes a wishbone, or tuning fork shape. Armless, elliptical galaxies ...

The first images from a new telescope in Chile were released this week, featuring extraordinarily detailed scenes from deep space. And more are expected to follow the debut series from the ...

A Rutgers-led team of scientists has uncovered evidence of how galaxies expand by tracing the invisible scaffolding of the universe created by a mysterious substance known as dark matter. "Analyzing ...

The James Webb Space Telescope is the most powerful telescope ever put into space. As such, its helping usher in a new era of astrophysics. Astronomers can now study farther, earlier galaxies than ...