Popular articles

First, particularly good articles introducing to the subject:

Ford LH, Roman, TA
Negative energy, wormholes and warp drive
Sci Am, pp 46-53, 2000 Jan (reply: 2000 May p12)

Wheeler JC
Of wormholes, time machines, and paradoxes
Astronomer Feb1996 p 52-57

Simon JZ
The physics of time travel
Physics World. 7(12): 27-33, 1994 Dec.

Redmount I
Wormholes, time travel and quantum gravity
New Scientist, p.57-61, 28 Apr 1990

And here are other articles, comments, and notes on time machines (starting from the most recent):

Chown M
All the worlds a time machine
New Scientist. 157(2124): 38-41, 1998 Mar 7.
[exposition of M. Hadleys idea that an elementary particle is a local ST warp that it permits closed timelike curves. Hence general relativity could reproduce (explain) the effects of QM]

Cole GHA and Dunningdavies J
The prospects for time travel - comments
Observatory. 118(1144): 165-166, 1998 Jun.

Bonham E
Time travel
New Scientist. 154(2088): 51, 1997 Jun 28.

Cole GHA and Dunningdavies J
The prospects for time travel
Observatory. 117(1138): 150-151, 1997 Jun.

Gribbin J
To the editors of the observatory - prospects for time travel
Observatory. 117(1141): 368, 1997 Dec.

Bagnol Ph
Where have all the time travellers gone?
New Scientist. 6 July 1996 p. 45-45

Parsons P
A warped view of time travel
Science. 274(5285): 202-203, 1996 Oct 11.

Gribbin J
Time travel - its all done with smoke and mirrors
New Scientist. 145(1963): 14, 1995 Feb 4.

Deutsch D and Lockwood M
The quantum physics of time travel
Scientific American. 270(3): 68-74, 1994 Mar. [see comments and reply in Sci. Am. 271(3): 10, 1994 Sep.]

Thorn KS
Black Holes and Time Warps
(Northon, New York, 1994)

Allen B and Simon JZ
Time travel on a string
Nature 359 18

Chown M
Time travel without paradoxes
New Scientist, p.23-23, 28 March 1992

Friedman JL
Back to the future
Nature 336 (24 Nov) p. 305-306
[turn a wormhole into a time machine by draging its one mouth with asteroid to induce time dilation]

Morris MJ and Thorne KS,
Wormholes in spacetime and their use for interstellar travel
Am J Phys 56, 395 (1988)