Near the outskirts of the Small Magellanic Cloud, a satellite galaxy roughly 200,000 light-years from Earth, lies the young ...

Altitude Water Cherenkov (HAWC) observatory, 13,000 feet above sea level on the Sierra Negra volcano of Mexico, researchers ...

Astronomers hypothesize that a long-ago dwarf galaxy dubbed Loki may have merged with the Milky Way when our galaxy was in ...

It takes the Earth one year to orbit all the way around the sun. But the sun’s path around the Milky Way is much bigger. It ...

Over the last week, we’ve been entertained by a pre-Halloween visitor from the depths of our solar system. It’s Comet ...

Carbon dioxide’s role in warming early exoplanetary atmospheres is likely necessary to create a habitable zone. But it could ...

Scientists assembled the first piece of the map, which includes 208 gigapixels, from 260 observations made between March 25 ...

Social media users were captivated by the incredible view in the viral clip, with one saying: "My jaw has never dropped so fast." ...

A panoramic mosaic, which has been enlarged 600 times, highlights the structures of a spiral galaxy along with 260 sightings ...

Scientists from the SAGA Survey have studied 101 Milky Way-mass galaxies, revealing that our galaxy may have fewer satellite ...

Researchers have discovered a distant disc galaxy that has surprisingly similar characteristics to our own Milky Way, and it ...