A new study suggests yet another theory for a possible extra planet in our solar system, likely of a size between Mercury and ...
For decades, Uranus baffled scientists because it seemed to have no internal heat. Now, new computer modeling shows the ...
WASHINGTON, May 30 (Reuters) - Scientists have identified an object about 435 miles (700 km) wide inhabiting the frigid outer reaches of our solar system that might qualify as a dwarf planet, spotting ...
The methane gas may constitute a rarefied atmosphere, or it may come from erupting plumes on Makemake’s surface.