Astronomers have announced the discovery of a monumental interstellar object, designated 3I/Atlas, believed to be the largest ...

Astronomers on Wednesday confirmed the discovery of an interstellar object racing through our solar system — only the third ...

But in space or on the Moon, there are no power lines, no sunlight at night and no backup grid. Every system — from life ...

It's too soon to know whether the object is a rocky asteroid or an icy comet, or how big and what shape it is.