When 3I/ATLAS swept past the sun in late October 2025, it became only the third confirmed visitor from interstellar space ...

In late April 2026, a long-period comet will swing through the inner solar system. It will likely be visible with binoculars, ...

Astronomers remain puzzled about the images of 3I/ATLAS captured several months ago; at the same time, the object’s ...

Interstellar comet 3I/ATLAS showed measurable water activity after passing the Sun, observed by SOHO’s SWAN instrument, ...

New observations of 3I/ATLAS provide real data that scientists are using to evaluate asteroid behavior ahead of Apophis’ 2029 ...

New analyses from SOHO and the Green Bank Telescope indicate interstellar comet 3I/ATLAS behaved like a normal comet as it ...

3I/ATLAS has now made its closest approach to the sun and Earth and is now heading back out toward the outer solar system. On ...

I/ATLAS may have moved away from Earth as it makes its way out of the solar system, but this interstellar intruder continues ...

Comet 3I/ATLAS is a rare visitor passing briefly through our solar system. Here’s how to find it in the night sky—and what you’ll need to catch a glimpse.

New research suggests a comet explosion helped cause ice age extinctions, sudden cooling, and the loss of early human cultures.

On04, NASA's Stardust spacecraft flew by comet Wild 2 to collect some comet dust and bring it back to Earth. Stardust was the ...