Dear Abdullah M. M. Elbadry First of all journals are not published by ScienceDirect but by Elsevier. Second the explanation for your observation can be found here https://www.sciencedirect.com/journal/febs-letters
Since 2015 the title is no longer published by Elsevier but by Wiley.
Best regards.
PS. See for more details about ScienceDirect https://en.wikipedia.org/wiki/ScienceDirect