Astronomers studying the Milky Way's oldest stars have estimated that the Universe is about 13.6 billion years old.

Will the Milky Way and Andromeda galaxies collide in several billion years? The odds have changed with a new study using 100,000 supercomputer simulations. Credit: NASA's Goddard Space Flight Center ...

The oldest stars in the Milky Way are forcing a fresh look at one of cosmology’s biggest arguments. If some of them are about ...

The Andromeda galaxy, left, is about to collide with part of the Milky Way, as seen from Earth, in a hypothetical merger scenario. Credit: NASA illustration "Based on the best available data, the fate ...

The local universe may be expanding more slowly than previously thought, a discovery that could relieve a pesky discrepancy ...

Earth and our entire Milky Way galaxy may sit inside a mysterious giant hole which makes the cosmos expand faster here than in neighbouring regions of the universe, astronomers say. Their theory is a ...

Researchers from the University of Bologna and the Leibniz Institute for Astrophysics Potsdam (AIP) along with other institutes have proposed a new way to address the Hubble tension by comparing ...

Behind the dusty clouds of the Cigar Galaxy lies a dazzling powerhouse of star formation, where stars are being born ten times faster than in the Milky Way. Astronomers using the Hubble Space ...

Understanding how the Milky Way formed means looking far beyond the bright spiral you see in the night sky. A new study led by Dr. Vivian Tan, who completed her doctorate at York University under the ...