New observations show that asteroid 1998 KY26 is a mere 11 meters across and spinning twice as fast as previously thought. The discovery adds complexity to Hayabusa2’s 2031 mission but also heightens ...

Sometimes space reminds us how active and dynamic our solar system truly is. This week, NASA is closely watching several asteroids as they travel past Earth, including two that are nearly the size of ...

New observations by three of the world's largest radio telescopes have revealed that an asteroid discovered last year is actually two objects, each about 3,000 feet (900 meters) in size, orbiting each ...

NASA has found sugars essential for life on Earth in samples of the 4.6 billion-year-old Bennu asteroid. Scientists discovered glucose, the human body’s main source of energy, as well as the critical ...

Because of Earth’s weathering climate and shifting tectonics, impact craters regularly disappear from the Earth’s geologic record. Scientists in China found an impact crater that formed during the ...

Asteroid 2024 YR4 will not hit Earth, but it has forced planetary defense experts to confront a different kind of worst case: a significant chance that a “city killer” rock could slam into the Moon ...