We perform numerical simulations of the TRAPPIST-1 system of seven exoplanets orbiting a nearby M dwarf, starting with a previously suggested stable configuration. The long-term stability of this ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. Io, the innermost giant moon of Jupiter, may not have a ...

What is the habitability potential on Saturn’s moon, Enceladus? This is what a recent study published in The Planetary Science Journal hopes to address as a team of researchers investigated a ...

A team of volcanologists and planetary scientists from NASA's Jet Propulsion Laboratory, California Institute of Technology, the University of Arizona, and Arizona State University has found via study ...

Artist's impression of what the Moon looked like during the tidal-heating event. There would have been intense volcanic activity everywhere. The early Earth would have loomed much larger in the sky ...