When will the first tourist land on Mars?

When will a free flying commercial space station become operational?

When will a permanent human settlement stay 1 year on the Moon?

What will be Arianespace's revenue (2021 EUR) in 2025?

This question is closed for forecasting.

When will a reusable single-stage-to-orbit vehicle deliver a payload to orbit?

When will a single reusable rocket stage be used for the 25th time?

What total mass (in tonnes) of space debris will be removed by active measures by 2040?

What percent of spacecraft will satisfy post mission disposal regulations in the decade of 2020-2029?

When will the first space mission remove more than one piece of space debris from orbit?

Will space debris cause at least one fatality in space before 2035?

If Kessler syndrome is not triggered, when will peak space debris be reached?

If we find life on an icy moon of the gas giants by 2200, will we also find evidence of macrofauna?

When will a probe first reach an ocean within one of the icy moons of the outer solar system?

When will a sample from one of the icy moons in the outer solar system be successfully returned to Earth?