Asteroid 2024 YR4, which once appeared to be on a collision course with Earth, may hit the moon, which could create some ...

A large asteroid once considered the greatest known risk to Earth may now be on track for a direct hit — not on our planet, ...

NASA Planetary Scientist Noah Petro dishes on what it took plan the impressive touch-and-go return mission, why much of the ...

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

A controversial new study claims that a ‘hostile’ alien spacecraft could attempt to attack Earth in November. Scientists say ...

According to NASA, asteroids are inactive bodies made of all the rocky, dusty and metallic materials left behind from the ...

The space rock came as close as within 4.15 million miles from our planet, according to NASA's Jet Propulsion Laboratory.

In late 2024, astronomers spotted a new asteroid named 2024 YR4. ... What followed was an international effort to track its course, measure its size, and figure out if it might hit Earth.

NASA currently leads the nation's planetary defense efforts, but some are calling for the Space Force to take control.

Sandia scientist John Sandusky believes he has found a way to put heliostats, which typically turn solar energy into ...

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

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.