A mystery interstellar object discovered last week is likely to be the oldest comet ever seen – possibly predating our solar system by more than three billion years, researchers say. The "water ...

A newly discovered ice comet from deep space may be over 7 billion years old, making it the most ancient comet scientists ...

If the receiver of an anonymous message is taken to be the adversary, then their best guess from a set of candidate senders ...

THE WEEK’S MOST POPULAR CURRENT COUNTRY SONGS, RANKED BY STREAMING ACTIVITY DATA BY ONLINE MUSIC SOURCES TRACKED BY LUMINATE, RADIO AIRPLAY AUDIENCE IMPRESSIONS AS MEASURED BY MEDIABASE AND ...