The 63-year-old spent a total of 178 days in space throughout his career and travelled more than 71 million miles in 2,842 ...
After a decade-long search, some scientists say a growing number of clues point to the existence of a hidden planet in the ...
Recent data from the James Webb Space Telescope (JWST) suggests that a planet orbiting a small, red star 35 light years away ...
Beyond Neptune lies the Kuiper Belt, a vast region of icy bodies that holds the secrets to the solar system’s formation.
Are there hidden planets in our solar system? New technologies, like the powerful Rubin Observatory, brings us closer to ...
A team of astronomers has identified a rocky planet with a mass similar to Earth’s, orbiting a white dwarf star approximately ...
In 2016, scientists Michael Brown and Konstantin Batygin suggested that an unseen Planet Nine could explain the unusual ...
In the time Pluto was found, classified as a planet and reclassified as a dwarf planet, it has not completed one orbit. One ...
By probing chemical processes observed in the Earth's hot mantle, Cornell scientists have started developing a library of ...
Legendary Star Lacks Evidence for Large Planet Construction Ever since the dawn of human consciousness, skywatchers have been ...
Established systems are millions or billions of years old, so their planetary orbits must be stable on those timescales. If the planets of a system are "closely packed," then adding new planets to ...
Sheppard and Trujillo were the first to notice that the orbits of a handful of known trans-Neptunian objects were all strangely clustered together. The duo argued that an unseen planet — several ...