This is the fourth comet Gröller has discovered, but given its extraordinary distance, it was the most exciting find, he says ...

A cometary globule, known as “God’s Hand,” has been captured by the Dark Energy Camera on NSF’s Víctor M. Blanco 4-meter ...

We summarize four cometary science themes especially suited for this telescope and its instrumentation: the drivers of cometary activity, comet nucleus heterogeneity, water ice in comae and on ...

A new paper published in the Proceedings of the National Academy of Sciences reports the detections of seven dark comets in two distinct populations, bringing the total of known dark comets to 14.

The idea of dark comets originated in 2016 when asteroid 2003 RM exhibited unexpected orbital deviations typically associated with cometary outgassing. Despite lacking visible cometary features ...

Scientists studying Apollo lunar mission samples uncovered evidence of a dual heritage for lunar water, tracing back to Earth's formation and later cometary impacts. Using advanced isotope techniques, ...