"When nearby supernovas occur in the future, the radiation could have a pretty dramatic effect on human society." ...

When a star explodes, it sends high-energy particles out in all directions. This burst of energy can travel through space for ...

which are linked with supernovas and happen very rarely on Earth. Having this isotope in the Earth's history would be evidence that interstellar dust had influenced the climate millions of years ...

(CNN) — Violent supernovas may have caused two of Earth’s largest mass extinctions that have never been completely explained, according to a theory put forward in new research. During the ...

Human societies often focus on dangers that exist here on Earth, but there are moments when the threats might come from much farther away. Scientists have long wondered about cosmic events that can ...

clean renewables for their people and economies – with new national climate plans due this year,” said UN secretary general António Guterres. The frozen parts of Earth’s surface ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Violent supernovas ...

Violent supernovas may have caused two of Earth’s largest mass extinctions that have never been completely explained, according to a theory put forward in new research. During the final stages in the ...