Stars

Deep-Sky Objects, Stars

New Hubble image of the Twin Jet Nebula

Stars

How do astronomers use Cepheid variables to measure distances?

Deep-Sky Objects, Milky Way, Stars

The tumultuous heart of our galaxy

Galaxies, Stars

Celestial firework marks nearest galaxy collision

Exoplanets, Planets, Robotic Spaceflight, Stars

Astronomers discover a 10th transiting “Tatooine”

Exotic Objects, Galaxies, Robotic Spaceflight, Stars

Hubble finds evidence of galaxy star birth regulated by black hole fountain

Deep-Sky Objects, Stars

Two nice stars in Lyra, globular cluster M70, and planetary nebula NGC 6742

Galaxies, Milky Way, Stars

Ghostly remnants of galaxy interactions uncovered in nearby galaxy group

Milky Way, Stars

Stars in our galaxy move far from home

Exotic Objects, Stars

First detection of lithium from an exploding star

Stars

Sirius, our brightest star, is orbited by a white dwarf — a dead star’s core. Where is the planetary nebula that would have formed when it shed its skin?

Stars

Web Extra: Black widow star destroys its mate