Earth, triggering one of the most devastating mass extinctions in history. In a single moment, life on the planet changed ...

66 million years ago, an asteroid struck Earth with devastating force, ending the reign of the dinosaurs and causing an apocalypse that reshaped the planet. Traveling at 72,000 km/h, the asteroid ...

This year, the alert system for defending the planet against incoming space rocks was activated for the first time. It won’t be the last ...

Since the first sharks emerged in the world’s oceans nearly half a billion years ago, the world has gone through five major ...

Since 1980, research on the dinosaurs disappearance has focused on the 125-mile crater and the 10-mile-wide asteroid believed to have created it.

Harvard astronomer Avi Loeb suggests that if interstellar object 3I/ATLAS isn't a comet, nor an asteroid, it may have been ...

NASA experts explain why a passing asteroid isn't cause for concern, while revealing how often Earth encounters space rocks and preview what's coming in 2029.

NASA celebrated its Double Asteroid Redirection Test (DART) as a massive success, a proof of concept for saving humanity in ...

Strange cone-shaped rocks led scientists to the hidden remains of one of Earth’s oldest asteroid impacts. It could help us find fossil life on Mars.

When NASA's DART mission crashed into the asteroid Dimorphos, the first stage of the impact saw the spacecraft's solar panels strike and pulverize two large boulders on the target, debris from which ...

Impact probability To see whether an approaching object could hit Earth, researchers find out what an asteroid’s orbit looks like using a technique called astrometry.

I was preparing for my early morning class back in January 2025 when I received a notice regarding an asteroid called 2024 YR4. It said the probability it could hit Earth was unusually high.