The odds of discovering another Earth are looking slimmer than once believed. A growing body of evidence suggests that truly Earth-like conditions are rare, and complex life even rarer, perhaps to the ...

Scientists now have direct evidence that a planet — not just failed stars — can rove the galaxy after a violent expulsion from its orbit. - NASA / JPL-Caltech / R. Hurt illustration Astronomers have ...

What can the galactic habitable zone (GHZ), galactic regions where complex life is hypothesized to be able to evolve, teach scientists about finding the correct stars that could have habitable planets ...

In a blow to anyone dreaming that complex life may exist elsewhere in the universe, a new study suggests we're unlikely to find it around many of the most common stars in the galaxy. Earth-like ...

– January 7, 2026 (London time) – One of the biggest recent surprises in astronomy is the discovery that most stars like the Sun harbor a planet between the size of Earth and Neptune within the orbit ...

Scientists weighed newborn planets for the first time, revealing puffy worlds that will shrink into super-Earths and sub-Neptunes, the galaxy's most common planets. (Nanowerk News) One of the biggest ...