NASA's Hubble Space Telescope captured an uncommon sight—the death of a low-mass star—in this image of the Calabash Nebula ...

In the cold dark of the constellation Ophiuchus, a faint, wraithlike shell of gas is quietly advertising the fate that awaits ...

The 18th day of the annual Space Telescope Advent Calendar shows a dying star that is casting off its outer layers, creating ...

NASA’s Hubble Space Telescope has unveiled a mesmerizing image of NGC 6369, a planetary nebula known as the “Little Ghost ...

This image shows NGC 6302, a billowing planetary nebula that resembles a cosmic butterfly.  CAPE CANAVERAL, Fla. — A ...

Planetary nebulae (PNe) are the final stages of evolution of low-to-intermediate mass stars. They are expanding shells of gas and dust that have been ejected from a star during the process of its ...

Since then, astronomers have observed all manner of lensing caused by all manner of bodies—perhaps none as visually striking ...

The sixth day of the 18th annual Space Telescope Advent Calendar features the final act of a star near the end of its life.

This week we take a look at layers -- layers in nebulae, layers in the Martian atmosphere, and layers in our own atmosphere.

Gorgeous images of stellar nurseries are featured this week alongside some of the solar system's moons: Mars's Deimos, ...

For any longtime Star Trek fan who is eager to explore another gripping sci-fi adventure, here are 10 phenomenal shows to ...

Young star systems are a place of violent collisions. Rocks, comets, asteroids and larger objects bounce off one another and ...