A century ago, Edwin Hubble revolutionized our understanding of the universe by proving that the Milky Way is just one of many galaxies in an ever-expanding cosmos. This breakthrough led to the ...

This breathtaking image of V838 Mon showcases a star located approximately 20,000 light-years from Earth in the Monoceros constellation, situated at the outer edge of the Milky Way galaxy.

Scientists have spotted a defiant galaxy. Located nearly 1 billion light-years from Earth, the galaxy 2MASX J23453268−0449256 ...

Explore HubbleHubble HomeOverviewAbout HubbleThe History of HubbleHubble TimelineWhy Have a Telescope in Space?Hubble by the ...

Could supernovas have triggered ancient mass extinctions on Earth? New research explores how cosmic explosions may have ...

NGC 4536 is a starburst galaxy with rapid star formation due to gas compression. Its bar-like structure channels gas toward ...

A group of stellar Sherlocks have solved the mystery of red transient objects that appear and fade in the sky, linking them ...

Vivian Poulin asks if the tension between a direct measurement of the Hubble constant and constraints from the early universe ...

NASA's James Webb Space Telescope has unveiled an awe-inspiring celestial spectacle of a spiral galaxy interacting with a ...

A type Ia supernova occurs when a white dwarf draws hydrogen from a companion. But Sirius A and B are too widely separated ...

The Hubble Space Telescope captured an image of a star and a spiral galaxy, both in the constellation Virgo. But the photo is ...