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 ...

The James Webb Space Telescope has upended expectations again, revealing a massive spiral galaxy in the universe’s infancy ...

By Will Dunham WASHINGTON, Dec 8 (Reuters) - Scientists have observed the largest-known rotating structure in the cosmos - a ...

The James Webb Space Telescope has discovered Alaknanda, a remarkably mature spiral galaxy existing just 1.5 billion years ...

The Webb space telescope observed a supernova that took place when the universe was 730 million years old, setting a new ...

Using the XRISM space telescope, scientists spotted faint emissions of the elements in remnants of the Cassiopeia A supernova ...

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

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

New simulations of Milky Way-like galaxies reveal that the strange split between two chemically distinct groups of stars may ...

Galaxy Alaknanda challenges long-held theories of galaxy formation, which maintained that stable spiral galaxies could only ...

A surprisingly mature spiral galaxy from cosmic dawn is rewriting ideas about how fast the Universe built its first galaxies.

NASA’s James Webb Space Telescope (JWST) could have unveiled one of the universe’s oldest secrets: stars formed shortly after the Big Bang. These primordial stars, known as Population III (Pop III) ...