Ancient supernovas may have blasted Earth with powerful radiation, causing dramatic changes in our climate, and could do so ...

Research links supernovae to Earth’s climate shifts, revealing potential atmospheric impacts and adding a cosmic layer to ...

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

When a massive star explodes in a brilliant flash called a supernova, it sends out a wave of high-energy particles into space ...

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 ...

One researcher argues that supernovae may be the key to understanding a series of abrupt climate shifts in recent geologic ...

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

The analysis models how such radiation could collide with Earth’s atmosphere, changing its composition. Brakenridge also matches a number of known supernovae to climate shifts preserved in geologic ...

The analysis models how such radiation could collide with Earth’s atmosphere, changing its composition. Brakenridge also matches a number of known supernovae to climate shifts preserved in ...