Interstellar

The scientific community is embroiled in a heated debate over the origin of a mysterious interstellar object that entered our solar system last month. While NASA initially identified the object, …

By STACY LIBERATORE, U.S. SCIENCE & TECHNOLOGY EDITOR The appearance of a mysterious interstellar object has reignited debate over whether extraterrestrial technology could be hiding in our solar system.  NASA …

It’s a stellar discovery. A Manhattan-sized interstellar comet was spotted blazing through our solar system — marking only the third time a mysterious object from beyond our cosmic neighborhood has …

On January 8, 2014, the meteorite CNEOS 20140108 struck near the northeast coast of Papua New Guinea. Confirmed to be the first known interstellar meteorite to strike Earth, the rock …