Can Superman: travel back in time, or reverse time and space?  I already know, lets see what you've got?
467646
YEs..everything is possible in fiction..
909079
Yes, it's possible but you would never be able to return from the future and you would have to travel close to the speed of light somehow.  According to Einstein's theories of relativity, if you travel close to the speed of light, time will slow down, so that hundreds of years could pass here on Earth while you travel at a fast speed.  So you would return to Earth in the year 3000 for instance at the same age as you are now, but you would never be able to travel back in time.  Time travel backwards is supposed to be impossible.
32484
ok i can tell you that i travel through time, and it is aquite remarkable thing, infact you travel through time too, at a very unremarkable rate of 1 second per second....pretty neat huh, your already a time traveler
922481
Yes, it is very possible. If I had told people about my time travel experience, they would call me a retard. In year 2003 or 2004, I don't remember which year it was, I had kind of like the time travel experience reliving the same day. The same exact things happened to me in two straight days. It was the most weired experience I have ever had in my life. Yeah, reliving the same day.
1012899
Yes, I'm looking forward to it.  Superman will be soaring on the really big screen at the IMAX 3D, and "you will feel like you are flying along side [him]" according to a short article in the Daily Planet newspaper (p 8).  Superman Returns will be in "Theaters everywhere by June 30th."(p 2)
1081861
See Superman Returns, I am a die-hard X-men fan, but to see Spacey play the best Lex you will ever see, and to see a villianous plot that ONLY Superman could stop is very worth it, see X-men this weekend, but don't deny yourself one of the best comic to film movies ever tonight.  If you liked the first 2 Superman movies, this is a sequel to them (forget 3 and 4, Bryan Singer did)!\n  Also, X-men 3, although an epic movie, I was a little disappointed in how Pheonix was...or wasn't handled.
965397
Travelling back in time is not allowed by einstein's theory of relativity...however if you can instantly teleport youself to some faraway star,say a 101 light years away, you might be able to catch einstein receiving his nobel prize!! as stated earlier, there is no master grandfather clock that is regularly ticking away the seconds..rather that rate is adjustable...but one may zip into the future..consider an example where you are on a space-ship at a speed of 0.99990 c that is going away from the earth and coming back..in your time frame say,it takes about twenty years..using lorentz transformations, the time for your to and fro motion is close to 450 years!!
551619
These answers sound pretty good.  However, if the fantasy idea were real and I looked up teleportation in the dictionary, which is based on common usage, I suspect I would find 'time travel' as the definition.\n\nWith my two cents, Teleporting would be a method of time travel, as opposed to others, I guess like OBE's.  I'm sure there would be more than one way to time travel by then.\n\nYou might not be the same person, Star Trek transported people out and back without their diseases or illnesses as a cure.  But if you did the sling-shot effect, using that method as opposed to teleporting you would be the same person.
381508
Think about what time traveling to the past means. It means that the entire universe except the time traveler is in a previous state. Now, for the time traveler, his time is still moving forward. He is older in the past after his journey than he was before his journey. \n\nSo, you have an entire universe one way and our traveler another. Since there was no past that existed that had his time traveler self in it, where has he gone? What is more reasonable is a time traveler experiment you can do yourself  by sending a smaller part of the universe into the past and watching that as you move foreward. Sound weird? Well, you can do it by resetting your computer. It goes into a past state and you keep moving foreward. This sort of time travel sounds like a cop out but it is just what is generally described on a smaller scale. That is, the entire universe but the traveler gets re-set to a previous condition.\n\nI know this answer doesn't satisfy the mystery feeling one gets with the time traveling notion, but it's what we really mean.
391887
yes you can. it takes you back in time...or you get to see the future..this is how time machines work.
7276
If you go back into the past, you'll change the present.\nIf you go into the future, you'll change that also so the future won't be the same when you get there.\n\nI've always been opposed to time travel, though it is cool in movies. :)
169854
Of course.  We all travel forward in time, at a rate of 1 second per second.  ;)\n\nBTW, in the time dilation examples cited here, you don't actually travel back in time, it's just that one object travels forward in time at a slower rate as observed from the other reference frame.
1130919
SUPERMAN RETURNS I HAVENT SEEN IT BUT I WANT TO LOL..
124898
Yes and no, Time travel is almost certainly not posiible and at the same time might be. It is believed that going faster than the speed of light would allow you to go back through time, but this is supposed to be impossible, but hawking radiation does it every second as it escapes black holes so it must be possible. Although if it does go back in time wouldn't it just go back to the time when it was in the black hole and not be observable to us. So maybe.\n\nAlso their is the Granfather paradox, which says that if you go back in time and kill your grandfather, then you never could exist and go back and kill your grandfather, so you can't, but then you never killed your granfather, so you do exist and kill your grandfather, so you don't exist and can't, it goes on for as long as you want to think about it. So their is another theory to bypass that one, it says that if you leave this exact point in time, you enter another universe altogether, one that you can change without consequence, making it possible to kill your grandfather, but als killing the reality of the universe you came from. Interesting huh?
1082095
Time travel to the future is theoretically possible.  Travel in space at near-light speed for a short time and a much longer period of time will have passed on Earth.  Or you could have yourself cryogenicly frozen (though I'd wait until they perfect the revival process) and see the future that way.\n\nIt would be a good thing to see the progress of mankind, but you may have a hard time fitting in.  Since there's no way to travel backwards in time, you would be stuck there.
1050542
I would like to see the new superman movie..it looks fun! Hollywood just keeps making new remakes of old classics and it seems to make them alot of money! I think they will make more superman movies someday.
1161934
Your understanding of relativity is wrong.\n\nYou cannot even accelerate to the speed of light, let alone beyond it. Relativity predicts that infinite enrgy would be required to accelerate a mass to the speed of light. IT makes no predictions that would make travel backwards in time possible.