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

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) ...

The object is hurtling towards the Earth at a zippy 12,616 miles per hour, according to data from the space agency.

Small asteroid 2022 EB5 impacted Earth was discovered by Krisztián Sárneczky using the 0.60-m Schmidt telescope at Konkoly ...

"We don’t know where they are,” said NASA’s planetary defense officer Kelly Fast at the AAAS conference in Arizona this week.

NASA has raised red flags over growing asteroid threats that could potentially damage the Earth.To one’s surprise, astronomers are unaware of the location of thousands ...

The discovery is just the latest to come from the asteroid sample, which dates back to the dawn of the solar system.

In a new paper, an international team of researchers revisited the idea of blowing up an incoming asteroid with a nuclear ...

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.

For nearly a quarter-century, the nonprofit B612 Foundation has helped scientists track dangerous asteroids and educated the ...

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

The asteroid, around 100 feet in diameter, is speeding toward our planet at about 22,000 miles per hour, according to NASA.