Three New Testament texts by different authors explicitly claim that Jesus is the creator of the cosmos. For some strange reasons I do not fully understand, many in the church have historically been uncomfortable with the claim and have found ways to blunt the force of the assertion:

John 1:1, 3, 14 ESV
[1]  In the beginning was the Word, and the Word was with God, and the Word was God.
[3] All things were made through him, and without him was not any thing made that was made.
[14] And the Word became flesh and dwelt among us, and we have seen his glory, glory as of the only Son from the Father, full of grace and truth.

Colossians 1:15-17 ESV
[15]  He is the image of the invisible God, the firstborn of all creation. [16] For by him all things were created, in heaven and on earth, visible and invisible, whether thrones or dominions or rulers or authorities—all things were created through him and for him. [17] And he is before all things, and in him all things hold together.

Hebrews 1:1-3 ESV
[1] Long ago, at many times and in many ways, God spoke to our fathers by the prophets, [2] but in these last days he has spoken to us by his Son, whom he appointed the heir of all things, through whom also he created the world. [3] He is the radiance of the glory of God and the exact imprint of his nature, and he upholds the universe by the word of his power. After making purification for sins, he sat down at the right hand of the Majesty on high,