Will we discover alien life before 2025?

Will an alien invasion wipe out humanity by 2100?

Will aliens freely walk around in 2025

Will aliens make a public debut before 2030?

Will evidence of an extraterrestrial civilization be discovered by the year 2050?

Will we discover alien life before 2031?

Will we make contact with intelligent aliens by 2050?

will aliens come to earth before the year 3000

Will humans make contact with intelligent extraterrestrial life by 2050?

Conditional on first contact with aliens, will aliens wipe out humanity by 2100?