While our asteroid detection systems are way ahead of our asteroid defense systems, there are some options, at least theoretically. Project Icarus had already figured it out back in the 1960s ...

The year 2028 will be the next opportunity to observe the asteroid as it returns to an observable distance for Earth-based ...

Astronomers don’t yet know enough about this particular asteroid to determine whether it will definitely miss the planet. That’s partly because this planetary defense system does have an ...

Where do meteorites of different type come from? In a review paper, astronomers trace the impact orbit of observed meteorite falls to several previously unidentified source regions in the asteroid ...

Meteorites are rocks from space that survive their fiery descent through Earth's atmosphere and reach the ground. More than ...

Despite a brief panic, asteroid 2024 YR4 isn't likely to hit us anytime soon, but we can still study the asteroid up close to ...

probe the asteroid Psyche, as part of the agency's wider planetary defense strategy (Photo by ... chance that large comets from the outer solar system could appear and impact the Earth with ...

YR4, which orbits the sun every four years and periodically crosses Earth's orbit. The nature of its orbit makes it a ...

Asteroid 2024 YR4, a 50- to 90-meter-wide ... It will be a multi-layered defense system designed to ward off a nuclear attack by an enemy power such as Russia or China. It will have a space ...

Deimos is the smaller and less photographed of Mars’ moons. This egg-shaped object, only measuring about 7.7 miles in ...

Initially, the odds of a collision in 2032 were as high as 3 percent, making it a top concern on global asteroid risk lists.

The Hera probe has swung around Mars, using the planet’s gravitational pull to fling itself toward its asteroid target.