There are no reports of Jesus physically ascending into heaven. Just that the tomb was empty, which is different.
The bible reports more than just an empty tomb- Jesus appeared to the apostles after his crucifixion and death in all 4 Gospels. And there are reports of Jesus ascending into heaven. From Luke 24 verse 51:
"And it came to pass, while he blessed them, he was parted from them, and carried up into heaven."
The fact is that the synoptic gospels only treat Jesus as a (arguably major) Jewish prophet. It is only in John where he explicitly take the role of a God incarnate with a message directed predominantly toward the gentiles.
You must have missed my earlier post. Mark Chapter 9 (as well and Luke and Mark) all report on the transfiguration of Jesus on the mountain. During this, in addition to Jesus talking with Moses and Elijah, (as witnessed by a few apostles), a voice came down out of the clouds saying "This is my beloved Son, hear him". Luke 9:31 also reports that during this Jesus talked with Moses and Elijah about how he would fulfill God's purpose by dying in Jerusalem.
A voice coming out of the clouds saying this is my beloved Son; and Jesus talking to Moses and Elijah about how he would fulfill God's purpose by dying in Jerusalem certainly makes Jesus sound more than a prophet. It makes him sound like the Son of God.
