Learn how Comet 3I/ATLAS began to emit methane as it approached the sun, releasing compounds contained within its inner ...

“When we realised that Juice would be close to the comet around its closest approach to the Sun, we realised what a unique ...

An interstellar comet changed its chemistry after passing the Sun, revealing hidden layers and a surprising mix of carbon ...

Interstellar comet 3I/ATLAS released methane, a greenhouse gas 80 times stronger than CO₂, as it neared the Sun. This ...

Interstellar comet 3I/ATLAS, the third of its kind, is revealing its composition as it heads back into deep space. Scientists ...

The comet has been on our radars since the summer of 2025, when the Asteroid Terrestrial-impact Last Alert System (ATLAS) telescope in Río Hurtado, Chile, spotted it for the first time. It was ...

Observing the interstellar visitor after its closest approach, astronomers found that its composition appears to have changed ...

Add Yahoo as a preferred source to see more of our stories on Google. A composite image of the hydrogen plume surrounding comet 3I/ATLAS. (Credit: NASA) An assessment published this week on the ...

This month’s highlights range from careful scientific evaluation of speculation surrounding interstellar comet 3I/ATLAS to broader discussions of where life might exist beyond Earth, informed by ...

NASA’s Europa Clipper spacecraft has captured images of interstellar comet 3I/ATLAS as the object — perhaps the oldest ever seen by astronomers — whizzes through the inner solar system. On Nov. 6, ...

Viewing Saturn in complementary wavelengths, the James Webb and Hubble space telescopes reveal more about what makes up the layers of ringed planet's atmosphere. The comet formed in a cold and distant ...