Mark 16:19

19ὉIndeedμὲνthereforeοὖνthe LordκύριοςJesusἸησοῦςafterμετὰτὸspeakingλαλῆσαιto themαὐτοῖςwas taken upἀνελήμφθηintoεἰςtheτὸνheavenοὐρανὸνandκαὶsatἐκάθισενat [the]ἐκright handδεξιῶντοῦof Godθεοῦ.

Therefore indeed the Lord Jesus, after speaking to them, was taken up into heaven and sat at the right hand of God.