With the interstellar comet 3I/ATLAS making its first appearance since vanishing behind the Sun for the past several weeks, ...

Astronomers at South Africa's MeerKAT radio telescope have detected the first radio waves coming from the interstellar comet ...

Space Solar revelations as Comet 3I/ATLAS rapidly brightens, a tiny tyrannosaur prompts T. rex rethink, and the unexpected ...

New radio observations of the interstellar comet 3I/ATLAS leave little question about the object’s natural origin.

A newly discovered comet named C/2025 V1, which some have compared to 3I/ATLAS, is due to make its closest approach to Earth on Tuesday, Nov. 11.

Post-perihelion image of the interstellar object 3I/ATLAS, taken on November 5, 2025 by the R. Naves Observatory, shows a fuzzy ball of light. The Sunward direction is towards the bottom left corner ...

The MeerKAT radio telescope detected hydroxyl radicals from interstellar object 3I/ATLAS, suggesting it's shedding a ton of ...

In the 1960s, when the possibility of an asteroid impact alarmed the American public for the first time, MIT students drafted ...

At a distance of 64 million miles (103 million kilometers) from Earth, the comet is still quite far but close enough for ...

The object, estimated to be the size of a city block, is only the third known interstellar visitor to our solar system since ...

Mars is a cold, dry, desert-like planet. But billions of years ago, scientific evidence suggests that it had a thick ...

Newly discovered comet C/2025 V1 (Borisov), which has some minor similarities to 3I/ATLAS, will make its closest approach to ...