Asteroid headed towards Earth could smash into the Moon, scientists say - Nasa expects chances of Earth collision to be ...

China has begun recruiting for a planetary defense force after risk assessments determined that an asteroid could conceivably ...

The head of planetary defense at the European Space Agency discusses 2024 YR4, an asteroid with a small chance of striking ...

YR4 is circling Earth and NASA predicts it could strike the planet in 2032. Here's what to know about the asteroid headed toward Earth.

The space rock is heading in our direction at some 18,700 miles per hour, according to the space agency's data.

YR4 has a 2.3% chance of hitting Earth in the year 2032. But according to new estimates, it may have an even smaller chance ...

Over the next several weeks, astronomers will be looking closely at an asteroid called 2024 YR4 that could be as big as a ...

Two gargantuan canyons on the moon were carved by a hailstorm of rocks — and that’s good news for future lunar astronauts.

Scientists found that an asteroid impact carved two massive canyons on the moon in minutes. High-speed debris helped shape ...

YR4 does smash down on the lunar surface, the explosion might be visible from Earth and would leave a new crater on the near ...

Scientists say Vallis Schrödinger and Vallis Planck—dramatic trenches near the lunar south pole—were carved in a blast that ...