- Seven Earth-sized planets have been found orbiting an ultracool dwarf star 40 light-years away
- The planets are temperate, meaning they could have liquid water
- The researchers believe this is the best place outside of our solar system to look for life
(CNN)Astronomers have found at least seven Earth-sized planets orbiting the same star 40 light-years away, according to a study published Wednesday in the journal Nature. The findings were also announced at a news conference at NASA Headquarters in Washington.