A rocky, Earth-size planet located in our Milky Way galaxy may have an atmosphere around it, according to new research, raising the possibility that it could also have liquid water on its surface and could therefore support life. In two separate papers published Monday in the Astrophysical Journal Letters, astronomers zeroed in on the TRAPPIST-1 system, which consists of seven …
Read More »Extraterrestrial life needs the right atmosphere. This planet 40 light-years away might fit the bill, scientists say
