Another planetary parade is in store this month, and it’s coming up this weekend. If you missed the last one or want a second chance to flex your telescope skills and snap some photos, here are the ...

For just the second time ever, astronomers have discovered multiple "Tatooine worlds," or exoplanets orbiting a pair of stars, in the same star system. The discovery is further proof that these Star ...

NASA's leading planet-hunting spacecraft has spotted its second planet that matches Earth's size and may be able to retain liquid water — and both worlds orbit the same star. NASA's Transiting ...

A quartet of Earth-like worlds, each about 20% to 30% the size of our planet, circle one of our closest stellar neighbors, a ...

As it turns out - Christopher Nolan’s fiction (Interstellar) might just be a future reality! A quartet of Earth-like worlds, each approximately 20% to 30% the size of our planet, orbits one of our ...