Astronomers this week reported what they believe to be the most-distant member of our solar system discovered so far. 2012 VP113, a probable dwarf planet that was found to lie beyond the known ...

In the early centuries of astronomy, however, our visions of the cosmos often took the shape of diagrams—representing what we believed about our solar system. What’s remarkable about Claudius ...

Thanks to JWST, we've learned key details about methanol — a key building block for organic compounds necessary for life — on distant icy worlds. In a distant corner of our solar system called ...

Top-Level PPE Conceptual Ion Propulsion System (IPS) Block Diagram. (Credit ... The AEPS is a solar electric propulsion system that uses xenon as its propellant, much like existing ion engines.

An accidental discovery in an astronomy show offers researchers a new clue about the mysterious Oort Cloud, a large expanse ...