x = 13, y = 4, rule = B026/S1
8bo2$3bo4bo3bo$obo8bo!
As well as a p8 variant:
x = 8, y = 8, rule = B026/S1
7bo$6bo2$6bo2$bobo$o$6bo!
There's also a replicator that travels at the same speed, but period 16:
x = 2, y = 2, rule = B026/S1
bo$o!
Replicators can be combined to achieve lower periods:
x = 28, y = 29, rule = B026/S1
o$bo2$3bo$4bo7$11bo$12bo3$15bo$16bo7$23bo$24bo3$26bo$27bo!
p16 double rake along with a reflection reaction:
x = 5, y = 39, rule = B026/S1
3bo$obo31$bo5$4bo$3bo!
p68 quad rake:
x = 7, y = 5, rule = B026/S1
6bo$bo3bo$o$3bo$obo!
A puffer:
x = 7, y = 12, rule = B026/S1
o4$b2o2$6bo$3bobo$bo2$bo$o!
There's also this arbitrarily large period spaceship:
x = 48, y = 36, rule = B026/S1
15bo$14bo2$12bo$11bo7$4bo$3bo2$bo$o12$20bo$19bo2$19bo2$47bo$46bo2$46bo
!
5cell breeder:
x = 9, y = 5, rule = B026/S1
8bo$7bo2$3bo$obo!
p2 and p16:
x = 36, y = 3, rule = B026/S1
o6bo5bo5b3o7bo2bo2bo$5bo6b3o4b3o$13bo5b3o!
Raketype thing:
x = 17, y = 14, rule = B026/S1
o8$12bo$11bo$14bo$13bo$16bo$15bo!
Extrementhusiast found a gun:
x = 29, y = 13, rule = B026/S1
bo$2bo25bo$27bo8$bo$o25bo$27bo!

There has also been interest in 1cell thick soups, which do not explode. They cannot explode because they are bound to move only on one axis, and do not move much on that axis. However, this movement can support spaceships! Two have occurred naturally, 2c/10 and 2c/24:
x = 35, y = 6, rule = B026/S1
obo2b5o3b7o5$7o2bobo2b3o2bo2bo3b3o2bo2bo!
Unnaturally, there are 2c/8, 2c/12, 2c/14, and 2c/16 spaceships:
x = 614, y = 16, rule = B026/S1
o3b3o3bo2bobo2bo3bo2b11o2bo2b3o4b2o5$o3b3o3bo2bo2bo2bo2b3o3b7o2bobo2b
3o2bo2bo2bo2bo4b7o3bo3bo3b5o2bobo2bo3b5o2bobobobo2b5o3b6o3b5o3bo2bobob
obo2bo3b6o2bobo2bo4bo2bobobo2bo2bobobobo2bo3bo2bobobo2b3o2bobobo2b3o3b
3o3b3o2bo2bo3bo3b3o3bo3bo3b3o2bobobo2bo2bobobo2bo3bo3b3o3b3o3bo2bo2bo
3bo2bo2bo2bo2bo2b10o3b3o2bobo2b2o2bobobo2b3o2bo2bo3b3o3bo3bo2bobo2b11o
3b5o2bo2b15o2bo2b7o3b5o2bobobobobobobo2bo2bo3b3o3b5o2bobo2bo2bobobo2b
5o3b3o2bobo2bo2bo2b6o2bo2bo2bo2bo3b3o2bobobo2b6o3b7o3b7o2bobobobo2b3o
3bo2bobobo2b2o5$o3b3o3bo2bo2bo3b7o3b5o2bobo2bo3bo2bo2bo3b2o2bobobo2b3o
2bo2b3o3bo2bo2bo2bo3bo2bobo2bo3b3o3b2o3bo3b7o3b3o2bo2b9o2bobo2bo3bo3b
5o3bo2bobobo2bo2bobo2bo2bo2b3o3b3o3b3o2bobo2b11o2bo2bo2bo2b3o2bo2b3o2b
o2bo3b3o2bobo2b3o3b5o2bobobobobobobobo2b5o3b5o2bo2bo2bo2b3o2bobo2bo3b
3o3b3o3b5o3b5o2bo2b7o3bo2bo2bo2bo2b3o3b5o2bo2b11o3b3o2bo2b5o3bo5$2o3b
3o2bobobobo2bo2bo2bo3b7o3b7o2bo2b7o3bo3bo2bo!
There's also a tagalong for the 2c/10:
x = 16, y = 23, rule = B026/S1
11bo3bo4$o12bo$o12bo$o12bo3$o12bo3$o12bo4$o12bo3$o12bo3$o12bo!

All of this and more can be found here, I reiterated some of the discoveries but please do consider reading through.