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

The USMC's F-35B has completed its first test flights with the Meteor air-to-air missile, marking a key milestone for both the UK and US collaboration.

Not much is known about 2024 YR4, but the asteroid is estimated to be 131 to 295 feet (40 to 90 meters) wide, a “size range comparable to that of a large building,” said Dr. Paul Chodas ...

Otherwise, it's the same meteor shower as the Quadrantids listed above. So, we'll use this space to deliver a fun fact. Most meteor showers are fueled by comets, chunks of ice floating through the ...

A fireball is a bright meteor that could result in a meteorite falling to the ground. A meteor is a streak in the sky caused by a meteoroid entering Earth’s atmosphere, usually at more than 70,000km/h ...

An asteroid gaining notoriety for its potential to collide with Earth in 2032 was estimated Tuesday to have roughly a 3% chance of striking our planet — the highest probability ever assigned ...

The chances has more than doubled in a matter of weeks, officials said. The chances of an asteroid striking Earth within the next decade has more than doubled in a matter of weeks, according to ...

An asteroid capable of flattening a mid-sized ... And that will be the more interesting bit, because then we have to wait until mid-2028, when we can observe it again. We will not let that time ...