Further studies are needed to determine whether K2-18b, which orbits a star 120 light-years away, is inhabited, or even ...

A Southwest Research Institute-led study modeled the chemistry of TOI-270 d, an exoplanet between Earth and Neptune in size, ...

According to new simulations, many, even most, planets get ejected from their star early in their history Star Trek Space:1999 free-floating planets, As J.R.R. Tolkien wrote in The Fellowship of the ...

How can we successfully collect and return samples from Mercury and Venus to Earth? This is what a recent study presented at ...

A new model has been developed to simulate interstellar activity within our solar system and the nearby Alpha Centauri system ...

Some peas-in-a-pod systems also have outer planets like our solar system. Deciding on a rule to designate inner and outer regions wasn’t easy, but the team classified outer planets as those that ...