“By analyzing the reflectivity and the orbits, we found that our Solar System contains two different types of dark comets.” Seligman and colleagues did not discover these additional dark comet ...

The water that makes up the oceans acted as a key ingredient for the development of life on Earth. However, scientists still ...

"It's being thrown off by the many types of carbon compounds in the comet." Besides the bountiful hydrogen and oxygen found in cometary ice, astronomers knew that comets contained a lot of carbon ...