Astronomers have observed an object that originated from beyond our solar system, thought to be an interstellar comet, ...

Analysis of an ancient meteorite suggests that rocky planets both near and distant from the sun may have formed at the same ...

Nicolaus Copernicus (1473-1543) would bring us from a geocentric universe to the heliocentric one, offering a very familiar, if incomplete, picture of our solar system.

Solar System Diagram (IMAGE) NASA/Goddard Space Flight Center. Caption. To receive the same amount of starlight as Mars receives from our sun, a planet orbiting an M-type red dwarf would have ...

Around a Sun-like star just 1,300 light-years away, a family of planets has been seen in its earliest moments of conception.

Let me take you back to grade school and the solar system diagram. Can’t you picture it? All of our planets, (Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune), circling around our ...