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 ...

"Tidal heating plays an important role in the heating and orbital evolution of celestial bodies," said Alex Hayes, professor of astronomy. "It provides the warmth necessary to form and sustain ...

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 ...

Astronomers searching for rocky planets that could support life in other solar systems should look outside, as well as within, the so-called “habitable zone,” University of Arizona planetary ...