As far-fetched as it may seem, quirks of orbital mechanics could allow hundreds of planets to be packed around a star ...

The fate of our solar system is written in the stars—well, one star to be precise: the sun. Estimates of what the end will ...

The Solar System is more than a flat orbital racetrack. Above and below the planetary plane lie the Oort Cloud, heliosphere, ...

Asteroids are leftover pieces from the formation of our solar system about 4.5 billion years ago. In the beginning, ...

Even distant orbits may not make it across the one billion-year mark after the Sun collapses into a white dwarf.

The Sun’s death is not an event the planets will quietly survive—it is the trigger for their orbital undoing.” ...

This video depicts a simulation of millions of small solar system objects that astronomers said the Vera C. Rubin Observatory will discover in the next 10 years. Video via Jake Andrew Kurlander/ ...

Astronomers say they have have detected a radio emission from Beta Pictoris b, an exoplanet 63 light-years from Earth, according to new research.