In this episode of The Conversation Weekly, we speak with two people – a planetary scientist who studies the geology of the Moon, and a space lawyer who studies space policy and geopolitics – about ...

Dr. Pascal Lee is a planetary scientist with the SETI Institute, Mars Institute and NASA Ames Research Center in California.

"An asteroid this size impacts Earth on average every few thousand years and could cause severe damage to a local region," ...

The far side of the Moon has its own versions of the Grand Canyon—two of them, in fact! A new study explains how these deep ...

Researchers believe they have rediscovered a mysterious star system first spotted in 2011. If true, the alien sun and its ...

When it comes to sending humans back to the moon, knowing how to work with the regolith that coats the ground will be make-or-break. Phil Metzger is studying how to mitigate its dangers and use it as ...

NASA said the system is thought to be moving at least 1.2 million miler per hour, nearly twice as fast as our solar system.

Planetary Society Chief Scientist Bruce Betts notes while counterintuitive, the odds of impact go up before they drop to zero.

NASA’s NEO Surveyor has passed its critical design review, clearing the way for construction and testing. This infrared ...

Recent technological advances have opened new possibilities for the development of robotic systems, including spacecraft for ...

One of the most surprising PST Art and Science Collide exhibits was not at a museum or gallery, it was Cal Tech’s, Crossing ...