Add Yahoo as a preferred source to see more of our stories on Google. An illustration depicts exoplanet WD 1856 b in orbit around a dead white dwarf star. - NASA/ESA/CSA/R. Crawford (STScI) New ...

When astronomers first cataloged some of the closest orbiting rocky exoplanets, they wrote them off as bare, airless cinders, worlds so close to their stars that any atmosphere should have been ...

Beneath Mars’s dull, dusty red exterior lies something hardcore: the fossilized remains of worlds that never got a chance to live. According to a new study in Science, data from NASA’s recently ...

Hubble Space Telescope observations of white dwarf star G238-44 has shown that it is "consuming both rocky-metallic and icy ...

16 Psyche is a gigantic space rock roughly the size of Massachusetts. Initial analysis reveals that it might be unusually rich in a variety of metals, prompting some scientists to wonder whether it ...

(CNN) — New observations may offer fresh clues into how a giant exoplanet survived the violent death of its host star — and came to closely orbit its stellar remnants. The findings could serve as a ...