The IRS Form 1040 for tax year 2018 has changed. It is now only two half pages in a postcard type format. The printout of the 2018 Form 1040 is only one page with the two half pages combined.
IRS Form 1040 (2018) - https://www.irs.gov/pub/irs-pdf/f1040.pdf
Additionally, there are now 6 new schedules supporting the Form 1040, Schedules 1 thru 6. Also, the IRS forms 1040A and 1040EZ are no longer used.