New 3I/ATLAS images from NASA and the ESA suggest the interstellar comet is active as it approaches Earth in December.

Scientists are testing a novel way to measure cosmic expansion using time delays in gravitationally lensed quasars. Their ...

New observations show the comet's two tails and rising activity.

NASA’s Hubble Space Telescope captured a deeper look at interstellar comet 3I/ATLAS, with its Wide Field Camera 3 instrument, ...

NASA scientists are sounding an alarm that would have been unthinkable a decade ago: the same commercial satellite ...

Hubble images of interstellar object 3I/ATLAS reveal a sunward anti-tail, showing a teardrop-shaped coma with separated ...

According to NASA, Hubble took its latest photo of 3I/ATLAS on November 30 using its Wide Field Camera 3 instrument. At that ...

The Hubble captured the image on November 30, while Juice caught a glimpse of the interstellar visitor shortly after ...

NASA has released the latest images of 3I/ATLAS taken by the Hubble as scientists and observers prepare to spot the comet in ...

Fresh images from NASA's Hubble reveal the unusual features of interstellar comet 3I/ATLAS, offering insights into alien ...

A fresh Hubble view reveals new details about 3I/ATLAS as observers prepare for the best viewing windows.