The universe is a slow-changing place. While it's mostly true that the heavens and the deep-sky objects in it will look ...

Hubble discovered a white dwarf planet devouring a Pluto-like object, revealing debris rich in water and nitrogen.

For years, astronomers have been excited about the idea that some planets beyond our solar system might be covered by vast, ...

By studying the chemical composition of an odd, dying star, astronomers discovered that it had been feasting on what used to ...

Hubble’s latest look at Messier 96 reveals a warped spiral galaxy glowing with rings of stellar birth. The new details shed light on how stars emerge and influence their surroundings.