An animation posted to Twitter has shocked social media users by showing the impressive size of Jupiter and just how rapidly the solar system's largest planet rotates. The animation posted by ...
Which planet is the furthest from the sun? Some may think it’s Pluto, but it’s actually Neptune. Learn more about this ice ...
Astronomers studying extreme planetary systems have identified worlds so massive that they rival the smallest stars in size.
Astronomers have discovered a planet the size of Jupiter orbiting a star that’s only half the size of the sun — a celestial phenomenon that contradicts theories of planet formation. NGTS-1b, a massive ...
During its 4.5-billion-year life span, Earth’s been hit by countless asteroids. (Despite Jupiter’s noble attempts at defending it.) But while it’s easy to imagine the damage they’ve done, just how big ...
Astronomers have detected what may be four roughly Earth-size planets orbiting Tau Ceti, the nearest sun-like star. Two of the worlds appear to orbit within Tau Ceti's habitable zone, though a cloud ...
This story was updated at 1:55 p.m. EST. The Milky Way hosts at least 17 billion Earth-size alien planets, and probably many more, a new study reveals. Astronomers have determined that about 17 ...