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 ...

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

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

A NASA scientist has warned that thousands of city-killing asteroids could strike Earth, and there’s currently no defense humanity could use to stop them.

Space agencies maintain that global cooperation and sustained investment are vital to planetary defence. While the DART mission demonstrated that deflection technology works, experts say early ...

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

NASA's top planetary defense expert reveals the biggest threat isn't Hollywood-style doomsday rocks, but undiscovered 'city-killer' asteroids. While large and small threats are known, an estimated 25, ...

Dust from asteroid Bennu is revealing a surprising origin story for life’s building blocks. New research suggests some amino acids formed in frozen ice exposed to radiation, not warm liquid water as ...

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

Around 15,000 mid-sized asteroids, known as 'city-killers', are unaccounted for as they zoom around space close to planet ...

On01, NASA landed a spacecraft on an asteroid! After a five-year mission, the NEAR-Shoemaker spacecraft touched down on the ...

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