Debate has raged for two decades over whether Pluto should be considered a planet. Some want President Trump to take action ...

NASA chief Jared Issacman appears to be among those who support Pluto being reclassified as a planet. Could President Trump sign an executive order?

A mysterious metal-rich asteroid called Psyche has been baffling scientists for over two centuries, and its true origin ...

Even 200 years after asteroid 16 Psyche was discovered, astronomers continue to puzzle over its formation. Psyche is the 10th ...

Jeff Bezos' company has partnered with researchers at NASA's Jet Propulsion Laboratory and the California Institute of Technology to study how to integrate Earth defense capabilit ...