New infrared observations reveal that the rare interstellar visitor known as comet 3I/ATLAS has dramatically brightened ...

SPHEREx tracked the interstellar comet as it grew considerably brighter after perihelion.

Researchers from the Max Planck Institute for Extraterrestrial Physics in Germany and the Centro de Astrobiología, part of ...

NASA’s SPHEREx telescope spotted interstellar visitor comet 3I/ATLAS flaring up while exiting the solar system. Scientists explain what caused it.

NASA’s SPHEREx mission observed infrared emissions from interstellar comet 3I/ATLAS, documenting changes in dust, gas, and ...

A 13-atom molecule containing sulfur has been discovered in interstellar space for the first time, providing insight into the ...

NASA observes interstellar comet 3I/ATLAS unexpectedly flaring as it leaves the solar system, revealing water vapour and ...

3I/ATLAS is the third interstellar visitor ever to visit the solar system having been formed around a distant star. Tune in tonight (Jan. 22) to watch live views of interstellar comet 3I/ATLAS at ...

In the heart of our galaxy, scientists have discovered the largest sulfur-bearing molecule ever detected beyond Earth, with ...

A team of astronomers found no radio signals from the comet that would suggest it is an extraterrestrial spaceship. The comet was confirmed in July 2025 as the third known object to enter our solar ...

Scientists report the first confirmed detection of thiepine, a complex sulfur-bearing molecule, in an interstellar cloud near the Milky Way’s center.

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