The first flight mission for planetary defense, NASA's Double Asteroid Redirection Test (DART) seeks to validate a method to ...

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

The latest asteroid to pass by the Earth will be back in a few years — it's not coming for us, but it may be on a collision course with the moon.

Early last year, asteroid 2024 YR4 caught the public’s attention as its chances of hitting Earth in the near future climbed ...

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

She’s worried about the a-rock-alypse. A planetary defense expert is warning that humanity is defenseless against up to 15,000 undetected near-Earth asteroids that have the potential to take out a ...

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.

“What keeps me up at night is the asteroids we don’t know about," said NASA's planetary defense chief.

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

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

Amino acids, the building blocks necessary for life, were previously found in samples of 4.6-billion-year-old rocks from an ...

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