The formation of our solar system from a singular nebula raises an intriguing question: why did each planet develop with a ...

In a celestial event known as a great alignment the five planets will be discernible with the naked eye, but to see Neptune ...

The space agency's planetary science analysis groups must pause while NASA checks if they comply with Trump's orders.

Every now and then, robots on the surface of Mars, or the spacecraft orbiting the planet, send back some fascinating images ...