Scientists say the threat of a newly discovered asteroid has risen slightly in the past few weeks, as the world's telescopes rush to track its course.

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

A new study out this week said that the Earth's inner core is less solid than previously thought. Scientists still have questions, though.

A recently-discovered asteroid, which is estimated to be between 130ft and 330ft in diameter, could strike Planet Earth in ...