Anyone who looked up at the sky on Wednesday night may have caught a glimpse of an impressive sight: all the planets of our solar system on display. The phenomenon — also known as a "planet ...

As such, even detecting an exoplanet is rare; so far, only 6,000 worlds outside our solar system have ... in the NASA statement. "How common is this for planets we can directly image?

While scientists continue to find out new things about the celestial objects in our own solar system, they also monitor ... In fact, it might be a new type of planet for which there's no ...