On September 23, 2025, NASA's OSIRIS-APEX successfully used an Earth flyby to slingshot toward its target: potentially ...

The discovery and swift monitoring of asteroid 2024 YR4 earlier this year represented Earth's first real-life planetary defense test.

With a 4% chance of hitting the moon in 2032, an asteroid named YR4’s potential collision course is being monitored by NASA.

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 ...

Potential impactors are most likely to have low velocities and the highest likelihood of hitting Earth during the winter.

An asteroid could wipe out humanity, but it's unlikely. Near-misses are more common than impacts, though planetary defence is ...

CHICAGO -- A newly discovered asteroid roughly the size of an Olympic swimming pool has a "small chance" of colliding with Earth in 23 years, with a potential impact on Valentine's Day in 2046, ...

Researchers discovered a new field of ancient tektites in South Australia, revealing a long-forgotten asteroid impact. These 11-million-year-old glass fragments differ chemically and geographically ...

From its first detection using an instrument designed in part by teams based in the Bay, to follow-up orbit analysis ...

At this point in history, astronomers and engineers who grew up watching "Deep Impact" and "Armageddon," two movies about the destructive power of asteroid impacts, are likely in relatively high ...