Type Ia supernovae are triggered by white dwarfs—the fading cores of dead stars. These stellar corpses often steal matter ...

Sculptor—officially labeled NGC 253—is considered a starburst galaxy, one heavy with stellar action. It's located 11 million light-years away in the Southern Hemisphere's constellation Sculptor, and ...

A new observatory is coming on-line and, in its own way, is going to have an impact similar to what we are seeing with the James Webb Space Telescope.

Save $100 on this 5-inch telescope and enjoy views of Saturn's rings, the belts of Jupiter and bright deep space objects like ...

Astronomers Discover 'Cosmic Fossil' Galaxy That Remained 'Frozen in Time' for Billions of Years in Space Fossils are a great ...

Because it doesn't interreact with light or electromagnetism, dark matter exists to us only through its influence on visible ...

We have discovered two interstellar objects so far, ’Oumuamua and Comet 2I/Borisov. ’Oumuamua had no dust tail and a ...

Astronomers have observed an object that originated from beyond our solar system, thought to be an interstellar comet, ...

Watch how JW Telescope detects temperature on Trappist 1 b. Credit: Space.com | animation courtesy: ESO/L. Calçada / Space ...

YR4 won’t hit Earth, but a 4% chance remains for a lunar impact. ESA's upcoming NEOMIR telescope could revolutionize early ...

Very massive stars are cosmic "rock stars" that live fast, die young and leave black holes in their place. During this ...

The European Space Agency said Wednesday that scientists have discovered what might be only the third known interstellar ...