Planetary defense has moved from science fiction to a live engineering problem, and the stakes could not be higher. The ...

The interstellar comet 3I/ATLAS made its closest approach to Earth today (Dec. 19, 2025). Here's the latest news you need to ...

The comet, which will come within roughly 167 million miles (270 million kilometers) of our planet, will be tracked by telescopes around the world so astronomers can pinpoint its location and make ...

Researchers are keeping an eye on the building-sized asteroid 2024 YR4, which has a 4 percent chance of hitting the moon seven years from now.

If an asteroid is on a collision course with the moon, what should humanity do? Try to nudge the space rock out of the way before it strikes? Obliterate it with a nuclear explosion? Such a cosmic ...

Several sugars have been found on a sample of the asteroid Bennu, which may provide scientists with clues about our early ...

A little less than four years from now, a killer asteroid will narrowly fly past planet Earth. This will be a celestial event visible around the world—for a few weeks, Apophis will shine among the ...

Asteroid 2024 YR4, once considered the highest impact risk to Earth ever recorded, is back in the spotlight — this time due to a slight increase in the chance that it could impact the moon in 2032.

Samples collected from the asteroid Bennu are continuing the shed light on the origins of the solar system and how life ...

Studying samples from the Bennu asteroid, researchers have found sugars essential for biology, stardust and ... something NASA is calling "space gum?" ...

When Joel Sercel thinks about the promise of extracting valuable resources from asteroids for use in space, he recalls other world-changing technologies that exploded when the time and circumstances ...