What are they? Sign Up to receive the Twisted Sifters weekly newsletter for the best Internet culture news updates. The post Ex-NASA Astronaut Is Clear That The Mysterious Metal Orbs He ...

NASA has only visited rocky and icy worlds before—never a heavy-metal world, where familiar geologic processes may unfold in a very alien way. One question is whether Psyche ever harbored ...

Two new missions selected by NASA Wednesday will help scientists understand the beginnings of our solar system. The missions -- called Lucy and Psyche and expected to launch in 2021 and 2023 ...

NASA has launched its first mission to a mysterious world made largely of metal, on a journey to find out whether the asteroid is the exposed core of an early planetary building block from the ...

The probe launched on a SpaceX Falcon Heavy rocket, beginning a six-year journey to one of the most enigmatic worlds in the asteroid belt between Mars and Jupiter. transcript A SpaceX Falcon Heavy ...

NASA is about to launch a spacecraft on a nearly six-year journey to a strange asteroid that, unlike most space rocks, seems largely to be made of metal. "This will be our first time visiting a ...

MaxarASU/P. Rubin/NASA/JPL-Caltech The Psyche asteroid is so metal-rich, some scientists believe it’s the exposed core of a planetesimal, or a planet in the making that separated into layers.

(CNN) — For the first time, a NASA mission is setting off on a distant journey to visit a metal world in our solar ... s instruments will also look for signs of differentiation on the asteroid ...