Our solar system is much like a trail of microcosmic breadcrumbs: Follow the molecular bits as far back as they go, and you'll learn a thing or two about where many of our planets and other celestial ...

Three billion years ago, a sun -like star reached the end of its life, throwing off its outer layers following its red giant ...

In approximately 5 billion years, the sun will deplete its hydrogen fuel and collapse under its own gravity, becoming a white ...

In an ancient star system expected to be stable and dormant, scientists found a 3 billion-year-old white dwarf star still ...

Pluto's unusual eccentricity and tilt is likely due to its interactions with neighboring Neptune and other giant planets, ...

By combining the power of ground-based and space-based telescopes, astronomers have discovered a new brown dwarf—a type of ...