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Supernovas may have triggered life-threatening changes in ancient Earth's climate. Scientists say it could happen again
"When nearby supernovas occur in the future, the radiation could have a pretty dramatic effect on human society." ...
Supernovae may have kicked off abrupt climate shifts in the past—and they could again
When a star explodes, it sends high-energy particles out in all directions. This burst of energy can travel through space for ...
earth3mon
Something much worse than asteroids caused two of Earth's mass extinctions
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 ...
CNN2mon
Supernovas may have played a role in two of Earth’s largest mass extinctions, study suggests
Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Violent supernovas ...
WTAE-TV2mon
Supernovas may have had a role in two of Earth’s largest mass extinctions, study suggests
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 of ...
Indiatimes2mon
14 million-year-old dust storm may have triggered Earth's climate shift - study shows
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 ...
WAPT2mon
Supernovas may have had a role in two of Earth’s largest mass extinctions, study suggests
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 of a ...