Stars

Deep-Sky Objects, Stars

Globular star clusters survive 13-billion-year-old massacre

Milky Way, Stars

Planck steps closer to the cosmic blueprint

Human Spaceflight, Robotic Spaceflight, Stars

Europe’s new Vega launcher scores success on maiden flight

Exotic Objects, Stars

AKARI finds carbon monoxide molecules embedded in 10-million-degree gas

Solar System, Stars

Colorful solar instrument treks east for a new career

Deep-Sky Objects, Stars

VLT takes most detailed infrared image of the Carina Nebula

Exotic Objects, Stars

The art of recycling pulsars

Galaxies, Robotic Spaceflight, Stars

Hubble zooms in on a magnified galaxy

Exotic Objects, Stars

Remnant of an explosion with a powerful kick?

Deep-Sky Objects, Stars

A pocket of star formation

Galaxies, Stars

The wild early lives of today’s most massive galaxies

Stars

What is the baseline for determining the magnitude scale of celestial objects? Why do brighter objects have negative numbers?