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

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 ...

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

Imagine a rock the size of a football stadium hurtling through space at thousands of miles per hour, heading straight for a major city, and we have no way to stop it. NASA has just issued a sobering ...

NASA astronaut Chris Williams, who's been stationed aboard the ISS since November 2025, captured footage of 2026 Lunar New ...

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

On07, NASA launched a quintet of satellites to figure out the science behind Earth's most colorful auroras. [‘On This Day in ...

NASA’s Dragonfly rotorcraft lander is designed for flight on Saturn's moon Titan. See a "half-scale Dragonfly lander model" ...

The first crew permitted to leave Earth's orbit with their personal phones launched on Friday, Feb. 13 ...

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