The third known interstellar comet to visit our solar system has just done something no one had seen before: it lit up in ...
While NASA's James Webb Telescope and other instruments have already spotted abundant water vapor, carbon monoxide and carbon ...
Recently, astronomers announced the results of a study using data collected with NASA’s Chandra X-ray Observatory of two comets — C/2012 S1 (also known as “Comet ISON”) and C/2011 S4 (“Comet PanSTARRS ...