In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small and in the Milky Way, while Curtis took a more radical position that they ...

The Bullseye galaxy earned its nickname thanks to its wild number of rings. A smaller galaxy shot through its heart 50 ...

Data collected from a once-defunct NASA satellite show that Earth grew two extra radiation belts following a supercharged ...

Three and a half kilometers beneath the Mediterranean Sea, around 80km off the coast of Sicily, lies half of a very unusual telescope called KM3NeT.

NASA’s Hubble Space Telescope Discovers a Cosmic Bullseye, Found to Be a Galaxy With Star-Filled Rings Astronomers observed a unique image of a galactic collision between galaxies which created a ...

The academic duo calculated the average volume of “space spunk,” approximately one teaspoon, as well as its density, one gram, and the average speed of ejaculation, which they found to be 45 ...

The cosmic superstructure Quipu is more than 13,000 times the length of the Milky Way, and its mass is 200 quadrillion times ...

In this series, we cover provocative questions in astronomy. This week: the mysterious extragalactic signals known as Fast ...

Lunar tourists and ambitious space agencies could jeopardise vital research on the Moon by ruining locations needed for ...

In a significant astronomical discovery, researchers found three ultra-faint dwarf galaxies, offering new insights into the ...

Space scientists have unveiled a cosmic bouquet in time for Valentine's Day. The new image includes data from several ...

Scientists have found dark matter dominating the halos of two supermassive black holes 13 billion light years away.