Courier

under way

not "underway"

United Nations Educational Scientific and Cultural Organization

Not "Unesco"

Acronym doesn’t need spelling out for the CERN Courier

Very Large Telescope

Spell out in first use then use acronym for the CERN Courier

no punctuation, not "vs."

Weakly interacting massive particles

Spell out in first use then use acronym for the CERN Courier

Worldwide LHC Computing Grid

No article

Acronym doesn't need spelling out for the CERN Courier

capitalise

Particle detector on the HERA accelerator at DESY

Acronym doesn’t need spelling out for the CERN Courier