Astronomers have uncovered a baffling cosmic phenomenon: an extremely high-energy particle, dubbed the Amaterasu particle, has been detected falling to Earth ... 240 exa-electron volts (EeV ...

(Note to the planetary science crowd: Yes, we know that the Earth is not ... has to do with particle physics. For that matter, what does it even mean to talk about the electron having a shape?

These shock waves are one of nature's most powerful particle accelerators and have ... The paper, 'Revealing an Unexpectedly Low Electron Injection Threshold via Reinforced Shock Acceleration ...

The history of Earth’s climate ... into ice and extracting a core is akin to measuring how old a tree is by counting a stump’s rings. But ice contains more information than just age. Scientists can ...