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 ...

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

A new study has estimated the universe’s possible age by using precise data on stars.

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 ...

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 ...

For decades, astronomers wondered why most nearby galaxies are speeding away from the Milky Way instead of being pulled in by its gravity. New simulations reveal the answer: our galaxy sits in a ...

A team of astronomers led by researchers at the University of Groningen has identified a colossal sheet of dark matter and ...

This NASA/ESA Hubble Space Telescope image features a sparkling cloudscape from one of the Milky Way's galactic neighbors, a dwarf galaxy called the Large Magellanic Cloud. Located 160,000 light-years ...