In April 2029, Apophis is predicted by NASA to come within 32,000 kilometers (20,000 miles) of the Earth's surface. Closer ...

Researchers discovered a new field of ancient tektites in South Australia, revealing a long-forgotten asteroid impact. These ...

A newly discovered space rock zoomed safely by Earth on Wednesday (Oct. 15) at only about a quarter of the average distance ...

Earth just had two close calls... and one went completely unnoticed. A small asteroid passed just 266 miles above ...

Most asteroid flybys pass millions of kilometers away from Earth, too distant to notice. But one upcoming encounter will be ...

Scientists say a train of CMEs could impact Earth's magnetic field Oct. 15–17, bringing a chance of northern lights across ...

The researcher Eliezer Yudkowsky argues that we should be very afraid of artificial intelligence’s existential risks.

Safeguarding biodiversity is not simply an environmental concern but a foundational element of preventive and clinical care.

A meteor is in the Earth's atmosphere, entering at high speed and burning up before hitting Earth. These are often called ...