Any uncertainty in the calculation of the object’s orbit causes variations in the predicted solution. Instead of one precise ...

The recently discovered asteroid 2024 YR4 has caught astronomers' attention for an unexpected reason. While the risk of impact with Earth has been ruled out, a probability of collision with the ...

Around 2 billion years ago, an asteroid the size of Mount Everest, or possibly even larger, struck Earth with catastrophic ...

This year, the alert system for defending the planet against incoming space rocks was activated for the first time. It won’t be the last ...

In 2022, NASA rammed a spacecraft into an asteroid to see if it could alter its orbital period around its parent asteroid.

Asteroids don’t always need to head straight for Earth to draw global attention. The case of asteroid 2024 YR4 is proving ...

In the almost three years since NASA proved that it could successfully deflect an asteroid, we’ve learned a lot about these ...

Now, the Earth approaching asteroid has a new target. A small chance exists that it will hit the moon in 2032. The prospect presents new dangers, though not as great as the destruction of a city.

The impact probability describes how likely a hazardous asteroid is to hit Earth. For example, if the impact probability is 1%, it means that in 1 of 100 cases, it hits Earth.