Will Mercury Collide with Earth?

A new study finds reduced odds for collisions with Mercury, Venus, or Mars. One day, Mercury could slam into Earth, obliterating all life on our planet. That's a doomsday scenario scientists have said is a small but real possibility.

Will Mars collide with Earth?

Due to the chaotic evolution of the planetary orbits in the solar system, a close approach or even a collision could occur between Mars and the Earth in less than 5 billion years, although the odds are small. ... Our solar system has a potentially violent future.

Will any planets ever collide?

Yet in reality the two planets can never get close to colliding, for two reasons. ... That puts them in a so-called gravitational resonance, where each planet speeds up or slows down as the other approaches, which alters their paths and prevents them coming closer than around 2600 million km to each other.