A beach in the Australian state of South Australia has been closed due to a mysterious foam. Surfers have reported cold and ...

Webb's final snapshot of asteroid 2024 YR4 fine-tuned its orbit—raising Moon impact odds slightly, but Earth is safe.

Astronomers have upped the odds that the cosmic boulder will crash into the moon, which could potentially cause a cloud of shrapnel to impact Earth-orbiting satellites and other spacecraft, according ...

Earth is no longer at risk of a direct collision with the asteroid 2024 YR4, but an impact on the moon in 2032 could send ...

An asteroid crashing into Earth may sound like the stuff of science fiction, but experts warn it’s a real threat—and we may ...

Asteroids colliding with Earth might seem farfetched, but the planetary threat is real. Just this year news broke of an ...

one of the planet’s leading scientists in asteroid detection and planetary defense. “It’s smaller than the thing thought to have caused the extinction of the dinosaurs, but it is easily ...

The asteroid, about the size of a 10-story building, has a 4.3% chance of lunar impact, according to NASA's James Webb Space ...

Earth is perfectly safe from a menacing asteroid known as 2024 YR4 that is big enough to level a city, but the moon? Not so ...

YR4 is a tailor-made asteroid for planetary defense efforts — it has everything it takes to get our attention." ...

President Donald Trump announced a plan to build a missile defense system, called the Golden Dome. How exactly does it work?

BRUSSELS (AP) — Most U.S. allies at NATO endorse President Donald Trump’s demand that they invest 5% of gross domestic product on their defense needs and are ready to ramp up security spending ...