There are a couple of ways that scientists can date planets, so which planets formed first in our solar system?

Join Chris Tiu and Shaira Diaz as they share a creative memory hack that will help you master the order of the planets in no time! Watch 'iBilib' Sundays at 9:35 AM on GMA Network, hosted by Chris Tiu ...

On August 24, 2006, our solar system lost a planet. It wasn't by cataclysmic destruction, but rather by the vote of the International Astronomical Union, which declared that Pluto, considered the ...

Could a lonely planet wander aimlessly through the restless galaxy change the subtle dance of gravity within our solar system? Astronomers have new cause to investigate. With powerful telescopic ...

In a new study, researchers from Penn State and NASA’s Jet Propulsion Laboratory analyzed human deep space communications and found that human transmissions are frequently directed toward our own ...

Our solar system is a smashing success. A new study suggests that from its earliest period—even before the last of its ...