cosmic mystery

‘Supernova graveyard’: Scientists find deep sea traces of ancient stellar deaths
'A 2-hour mystery pulse': Radio signals from space reveal hidden White Dwarf system
‘Alive after 11 billion years’: A dead galaxy is flashing eerie signals, defying science
'How did it get there?':  Radioactive blip in the Pacific seafloor baffles scientists
'Hubble caught it again': A galaxy that should not exist yet shines too bright
'14 dark comets discovered': NASA's new discovery threatens to challenge our understanding of space