SUNY College of Agriculture and Technology at Cobleskill to Stevens Institute of Technology buses and trains from $30

Here are some trips other travelers have found on Routefriend.
4h 10m
1 stop
Amtrak GotoBus
3h 37m
0 stops
3h 57m
1 stop
Amtrak Metro-North
4h 31m
1 stop
Amtrak Metro-North
6h 58m
2 stops
Amtrak Metro-North
6h 7m
3 stops
Amtrak NJTransit