NASA officials warn thousands of undetected “city killer” asteroids may be circling near Earth. With limited deflection tools ready, are we prepared if one suddenly shifts onto a collision course?

Many people experience hypnic jerks and often wonder why. A neurologist explained why such jerks happen, whether they should be considered normal, and when one should really worry. He also explained ...

In the Perseus galaxy cluster, 300 million light-years away, a galaxy has been discovered that consists almost entirely of dark matter.

Digital resilience is not only about what people say, but also what people seek. Dmitry Erokhin investigates online search interest as a near-real-time proxy for public attention helping communicators ...