Interstellar visitor 3I/ATLAS erupted with violent ice volcanoes, shifting from quiet ice ball to active body, sparking ...

The third confirmed interstellar object to enter the Solar System, 3I/ATLAS, has confounded the scientific community by exhibiting a series of physical and orbital characteristics that defy ...

New 3I/ATLAS images from NASA and the ESA suggest the interstellar comet is active as it approaches Earth in December.

These sparks happen from accumulation of static electric charge—often arising from two different materials rubbing together.

Astronomers at the University of North Carolina at Chapel Hill have helped uncover new clues about the longest-lasting cosmic ...