Ultrahigh-energy cosmic rays twist and turn on their way to Earth, which has made it nearly impossible to identify the colossal monsters that create them.    by Natalie Walchover

Science Corner – Women hold up half the sky

The observatory has made detailed information about an initial selection of its recorded cosmic-ray events available for outside scientists to use.

In the last few decades, Argentina and Chile have proven themselves prime spots for astronomical observation — a status that has been a boon in many ways for both countries.

A new article on UHECRs has appeared in Physics World

Are you interested in brushing up your Danish? Read a feature article on the Pierre Auger Observatory.