While this may seem close, scientists assure the public that it is still a safe distance, and there is no danger of collision with Earth. Why tracking asteroids is so important Asteroids like 2025 ...

Every million years, two stars pass within a few light-years of Earth. In the next 50,000 years, six such encounters may dislodge Oort Cloud objects, sending them toward the inner Solar System.

“There has been a great debate about the ... which protects us against dangerous ultraviolet radiation from the sun. Mass extinctions in Earth’s history may have been caused by something ...