Yes, as long as your 2015 income was over $10,300 ($11,850 65 or older) for single tax payers and $20,600 ($21,850 one spouse >65; $23,100 both spouses >65) for married filing jointly. If your tax filing status is married filing separately the income threshold is $4,000. If you are a US citizen or resident alien, the rules for filing income, estate and gift tax returns and paying estimated tax are generally the same whether you are in the United States or abroad.
Your worldwide income is subject to US income tax, regardless of where you reside. However, there are special benefits (foreign earned income exclusion, foreign tax credit) that US citizens and resident aliens abroad can take advantage of as long as certain requirements are met.