The old adage that it's easier to prove a negative could play a crucial role in characterizing nearby exoplanets that could harbor life. The idea is that looking for earth-like planets is tough enough ...

A team of astronomers has identified a four-planet system orbiting the red dwarf star LHS 1903 that defies conventional expectations about how planets arrange themselves around their host stars. The ...

The search for an unknown planet in our solar system has inspired astronomers for more than a century. Now, a recent study suggests a potential new candidate, which the paper’s authors have dubbed ...