Magdalena Zagrodzka
Violeta Stoimenova/Getty Images
NASA, ESA, CSA, STScI, and S. Crowe (University of Virginia)
Alona Shulenko
wildestanimal / Getty Images
A Harvard professor and his team claim that tiny balls from the Pacific Ocean may be evidence of alien technology. A new report disputes the idea.
Photographer, Basak Gurbuz Derman/Getty Images
US Department of Agriculture
Event Horizon Telescope Collaboration