A planetary dispute turns cosmic. When Uranus ventures too close to Earth, tensions rise and the solar system watches.

Imagine a scenario where the Moon, our constant companion in the night sky, begins a deadly trajectory toward Earth. The ...

Considering that Saturn is already 4.5 billion years old, if the rings are as old as Saturn, after all this time, those ...

A team of scientists has investigated how Earth’s twin became so inhospitable, and whether the same will happen to our planet ...

The "potentially hazardous" asteroid 2025 FA22 will fly close past Earth at more than 24,000 mph on Thursday (Sept. 18). The ...

Material deep inside Earth — thousands of kilometres down, near the planet’s core — has undergone a mysterious shift. Is ...

A recently observed object called 2025 PN7 was found orbiting near the Earth. The quasi-moon is expected to accompany our planet in a similar orbit for 60 years.

An asteroid the size of a skyscraper is approaching Earth at a sprightly 24,136 miles per hour—and will be at its closest to us in two days' time. The space rock—dubbed "2025 FA22"—is a sizeable 520 ...

Asteroid deflection could backfire if the impact shoves the rock into a cosmic keyhole, a hidden trapdoor in space.

In our solar system, there is a rare celestial alignment that occurs only once every 176 years, during which four giant ...

A 15-year-old motorcyclist was killed in a crash early Sunday when Tucson police say he ran a red light and collided with a car. The unidentified boy was speeding north on along North Stone Avenue on ...

Earth asteroid the size of two football fields end-to-end is to have a relatively close encounter with Earth on Thursday, ...