NASA has found 7 earth sized planets around a single star outside our solar system!

[SvennoJ]

Hmm, that's a lot of potential immigrants, better build a wall.
On the other hand, good deportation opportunities.

40 lightyears doesn't sound far, at the current fastest speed we've been able to reach, 25 miles/second, it would still take close to 300,000 years to send a probe. Those 40 years to send the data back are insignificant...