Planet demographics reveal a puzzling lack of worlds in a certain size range throughout the galaxy F or centuries our solar ...

Astronomers are ready to search for the fingerprints of life in faraway planetary atmospheres. But first, they need to know ...

Yet, over two millennia before Hubble observed galactic recession, the Greek philosopher Anaxagoras ... Today, with the discovery of thousands of exoplanets in habitable zones, Anaxagoras’ insights ...

Since the star is so feeble, that’s well outside its habitable zone. “If so, it will be the first planet ... putting it within the Milky Way’s galactic bulge — the central hub where stars are more ...

Observations suggested there is a strong correlation between the growth of central SMBHs and the evolution of their host galaxy's galactic bulge ... sustain liquid oceans on worlds outside the ...

Astronomers have identified a super-Earth orbiting a Sun-like star just 20 light-years away, making it one of the closest and ...

Far beyond the eight familiar planets in our solar system, countless bizarre and extreme worlds await discovery — and some ...

Astronomers have discovered that sulfur may be a key to helping us narrow down our search for life on other planets. It's not that sulfur is a great indication that a planet is inhabited.

An international team has confirmed the discovery of a super-Earth in the habitable zone of a Sun-like star. This planet, named HD 20794 d, could offer conditions conducive to life. Located just ...