An asteroid estimated to be a kilometer (3,451 feet) wide will fly by Earth on January 18. The video in the media player above is from a related report. It will pass within 1.2 million miles of our ...

Scientists have spotted a small asteroid that may circle Earth as a mini moon before shifting onto a path that could make it a hazard later in the century. NASA has calculated the asteroid’s orbit and ...

The space rock, known as “2026 AJ” and 40 feet in diameter, is hurtling towards our planet at around 20,500 miles per hour.

Earth has a near miss-twice-after two small asteroids seemingly passed alarmingly close to the planet, less than two days apart, one of them going completely unnoticed until hours after it had already ...

We have now discovered 30,039 near-Earth asteroids in the solar system—rocky bodies orbiting the sun on a path that brings them close to Earth's orbit. The majority of these were discovered in the ...

Asteroid 2024 YR4, a roughly 180 foot wide rock initially labeled a “city killer,” has focused attention on how quickly a ...

A mile-wide asteroid known as 2005 UK1 will safely pass Earth on Jan. 12, 2026, at 32 times the moon’s distance, posing no danger to the planet.