Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. Artist’s conception of the view from the surface of the ...

Thousands of planets have been discovered beyond our solar system, offering clues to where life might thrive and whether ...

Exoplanets are planets outside Earth's solar system. In 1995, a gas giant named 51 Pegasi b, which orbits a star similar to Earth's sun, etched its name in history as the first exoplanet ever ...

Planets without stars to orbit raise important questions about how planets evolve and what habitability might look like ...

Planetary scientists have long debated where the material that formed Earth comes from. Despite its location in the inner solar system, they consider it likely that 6–40% of this material must have ...