Scientists have been looking for extra-solar planets for decades, but only recently, with better equipment and improved techniques, have they finally unveiled new and unusual planets. Since 1995, over ...

Remember when we thought our solar system might be unique in the universe? When we had no evidence--other than maybe a gut feeling, a hunch--that there were other planets beyond our solar family? It ...

Proxima Centauri, the sun’s nearest neighbor among the stars, is 25 trillion miles away from Earth. Even if it had a family of planets, no telescope could reveal them. According to Sir James Jeans, a ...