Armed with the world's largest digital camera, the Vera C. Rubin Observatory in Chile will take night-sky images that ...

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 comet, 3I/ATLAS, may be the most ancient visitor ever detected, potentially older than our solar system itself. Unlike previous interstellar objects, this ice-rich comet seems to ...

Imagine waking up one morning to the news: a black hole is drifting close to our solar system. It sounds like the plot of a .

The icy traveler, called 3I/ATLAS or Comet ATLAS, was discovered on July 1 by the NASA -funded ATLAS survey telescope in Río Hurtado, Chile. This enormous space snowball came from the direction of the ...

We measure the extremely long distances between things in space by light years. A light year is the distance that light travels in one Earth year. Light travels at about 300,000 kilometres per second.

Astronomers have discovered yet another alien visitor to the Solar System. This one appears to be a comet, a ball of dust, ...

The Acropolis in Athens will limit its operating hours for a second straight day because of heatwave conditions, the Greek ...

Astronomers have called for help to identify a mystery object that may have hit Saturn on Saturday in what could be the first ...

What can space ice teach scientists about finding life beyond Earth? This is what a recent study published in Physical Review ...

Anew study has uncovered surprising details about the nature of ice in space, challenging long-held assumptions about how ...