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

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

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.

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

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

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.

Tiny grains of dust from asteroid Bennu are reshaping how scientists think life’s ingredients formed in space.