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

Asteroid 2025 TF's closest approach was about ~186 miles (300 km) from Earth. It is estimated to be about 2 meters (6.5 feet) ...

A NASA planetary defense officer warns thousands of near-Earth asteroids capable of destroying a city remain undetected.

If the world exploded, what proportion of the rocks floating in space would have evidence of life? (continued) ...

NASA planetary defense experts warn that up to 15,000 undetected asteroids could devastate a major city on Earth.

NASA's head of planetary defence, Dr Kelly Fast, has issued an unsettling update on thousands of ‘city-killer’ asteroids that could hit Earth.

"We would not have any way to go and actively deflect one right now," warns the scientist who led NASA's DART mission.

NASA planetary defense experts report that mid-size near-Earth asteroids could cause regional damage, with detection and deflection remaining limited, according to New York Post and AAAS reports.

One reason for the decline in extinction rates is the growing momentum of conservation efforts. Multiple species have been saved from extinction by habitat protections, breeding programs, and legal ...

A study found that these cosmic bodies appear to hold up remarkably well to sudden energy deposition and shock conditions, so we may be able to knock them off course and avoid disaster.

An asteroid discovered in December 2024 and named YR4 has a small chance of hitting Earth in 2032. But scientists keep ...