In a glimpse of the early universe, astronomers have observed a galaxy as it appeared just 800 million years after the Big ...

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

Our solar system is a passenger on a galactic rollercoaster. Part 2 reveals how the Sun, carrying Earth, orbits the Milky Way's core at 491,000 mph, completing a circuit every 230 million years. We ...

A spiral galaxy, shaped much like our Milky Way, has been found in an era when astronomers believed such well-formed galaxies ...

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

R esearchers have calculated one of the most precise estimates for the expansion rate of the universe today, and it turns out ...

“Our latest discovery helps solve a 20-year cosmic mystery,” co-lead author Daniel Whalen from the University of Portsmouth's ...

Scientists have confirmed that colossal collisions between galaxies trigger titanic eruptions in the centers of those ...

The filament of matter stretches 50 million light-years, and contains a row of galaxies 5.5 million light-years long that are ...

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

The galaxy's discovery challenges our understanding of how galaxies were formed in the early period after the Big Bang.

A newly-detected spinning galaxy filament is reshaping our understanding of cosmic structure, gas flows, and the origins of ...