Astronomers have long used the Milky Way as a benchmark for studying galaxy formation and evolution, assuming that its ...

NASA astronaut Don Pettit imaged the Large and Small Magellanic Clouds as the International Space Station cruised 260 miles ...

If you thought that the Milky Way was just your average run-of-the-mill galaxy, you’d be wrong. Turns out that it’s quite the ...

Research shows that galaxies form inside gigantic haloes of dark matter, the elusive substance that doesn't interact with ...

Researchers have found that there's something highly unusual about the Milky Way, setting it apart from other galaxies.

Don Pettit packed a home-made tracker to space, allowing him to bless our timelines with long-exposure images.

Free Press readers on astronomy, e-bikes, Hunter Biden pardon, truth in sentencing and challenging the two-party system.

The Milky Way and Andromeda galaxies are on a collision course, potentially ejecting 100 trillion stars and transforming into a new galaxy, “Milkomeda.” ...

To achieve that goal, Wechsler cofounded the Satellites Around Galactic Analogs (SAGA) Survey dedicated to comparing galaxies similar in mass to the Milky Way. After more than a decade of scanning ...

Ancient galaxies have irregular shapes due to intense star formation from cold gas flows and galaxy collisions, as revealed ...

The distinction is technical but significant, the researchers say: they found that the Milky Way has surprisingly few smaller satellite galaxies compared to its peers — and some of them have ...