They flattened forests, left massive craters and even killed the dinosaurs. Learn all about Earth’s hugest asteroid strikes.
Could a giant planet between Mars and Jupiter have doomed Earth? A new study suggests that small changes would have been ...
2024 YR4 isn't the largest asteroid out there, but it certainly isn't small, ranging from around 130 to 328 ft in diameter. It is also moving to the solar system at around 38,000 MPH. If it did ...
YR4, which orbits the sun every four years and periodically crosses Earth's orbit. The nature of its orbit makes it a ...
Smithsonian and NASA scientists set out to collect an asteroid sample that may hold clues to the origins of life in our solar system.