Since its discovery, some people have speculated that interstellar visitor 3I/ATLAS could be alien technology. Harvard ...

The interstellar comet 3I/ATLAS appears to be getting brighter and emitting a greenish glow as it moves closer to Earth.

In the Bible, the Star of Bethlehem rises in the southern sky and then comes to a standstill, which is abnormal for a ...

Astronomers are intensifying scrutiny of interstellar object 3I/ATLAS after images captured this week revealed a massive, ...

This week, Earth will get its best chance to steady an interstellar comet as it makes its closest approach to the planet.

Interstellar comet 3I/Atlas is set to reach its nearest point to the sun and Earth on Dec. 19. Here's what to know.

Astronomers are preparing for a rare observational opportunity as interstellar comet 3I/ATLAS approaches its closest point to ...

The interstellar comet discovered this summer could be visible this week as it makes one last pass near our planet.

The rare interstellar comet 3I/ATLAS is making its closest approach to Earth this week at a safe 167 million miles.

The mystifying 3I/ATLAS interstellar comet is blazing toward Earth and will in a matter of days come as close to our planet ...

The interstellar comet 3I/ATLAS will make its closest approach to Earth on December 19, and will be visible with binoculars ...

This week marks the last chance for backyard astronomers to see interstellar Comet 3I/ATLAS before it races on its journey ...