Large galaxies, like the Milky Way, attract smaller galaxies. Our solar system's cosmic neighborhood spans 100,000 ...

Stars orbit the centers of galaxies. But beyond that, things get a little harder to visualize. Do galaxies — and, ...

This remarkable image, captured by Japan's Subaru Telescope on Mauna Kea in Hawaii, actually shows something much more special: an extremely rare triple-ring galaxy located about 800 million ...

Years ago, astronomers started working on a comprehensive map of the Milky Way by observing it from ... such as free-floating planets that don't orbit a star, or brown dwarfs, which are stars ...

Every constellation has something within its borders worth tracking down, if you just look hard enough. Here are five to ...

Fastest Known Planetary System May Have Been Pushed by Our Galaxy’s Supermassive Black Hole ...

The idea behind this binary stellar engine (BSE) is that as they orbit, the pulsar's radiation strikes the ... Have ...

The International Space Station - a blazing symbol of humanity’s destiny to move out across the cosmos - must be saved from ...

These “satellites” are smaller galaxies in both mass and size that orbit a larger galaxy, usually called the host galaxy. Is our home galaxy, the Milky Way Galaxy, a special place? A team of ...

orbit close to red dwarf stars that are smaller and cooler than the sun, and which make up over 75% of the 200 billion stars in the Milky Way. Published today in the journal Proceedings of the ...

Milky Way—The faint band of light stretching across ... Plutino—A subclass of Kuiper Belt objects which, like Pluto, orbit the sun twice during every three orbits of Neptune.

In this puzzle’s case, “a complete set” is 10, an extravagant amount for a Sunday grid. This bounty helps the solve hustle along once you know what’s up, but Mr. Ezersky has never given his audience a ...