'Old Earths': The Search for Ancient and Habitable (But Dying) Exoplanets

Illustration depicting the life cycle of Sun-like stars. Billions of years from now, our own Sun will expand into a red giant star, scorching any life that exists. Image Credit: ESO/M. Kornmesser

Researchers at Cornell University are taking a new approach to the search for alien life: looking for habitable planets older than […]

Astronomers Discover Ancient Terrestrial Exoplanets Around Neighboring Star

Artist’s concept of the recently discovered, tightly packed, and ancient exoplanetary system named Kepler-444. Astroseismic studies of the star’s oscillations, allowed astronomers to determine that it is the oldest planetary system discovered to date, with an age of approximately 11 billion years. Image Credit: Tiago Campante/Peter Devine/University of Birmingham

 

“Nearly a hundred […]