In most cases, copyright information is included immediately below the image/video in question, or at the end of each webpage.
The exceptions to this are the composite banner images which appear at the top of the homepage and the access scheme "overview and workflow" page. From left to right, the copyright information for the images within these banners is as follows:
Homepage
From left to right:
© University of Sheffield
Credit: University of Bristol
© UKAEA
© University of Manchester; image courtesy of Dalton Nuclear Institute
© Diamond Light Source.
Access scheme "overview and workflow" page
From left to right:
Courtesy of The University of Manchester Dalton Nuclear Institute
Image reproduced with permission of Dr David P. Mills
© UKAEA
© Diamond Light Source
© University of Sheffield.