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

NASA and the Hubble telescope have not confirmed the sheer massive size of 3I/ATLAS as mysterious object leaves solar system ...

The interstellar visitor may still have a few things to tell us before it leaves our solar system.

A NASA mission is underway to map the heliosphere, which is a huge protective bubble around the solar system that was created by the sun.

NASA associate administrator Amit Kshatriya and associate administrator of NASA Science Dr. Nicky Fox explain that "all evidence points" that is an interstellar comet and reveal a new image from the ...

The latest data from the Webb telescope (reported here) indicates that the plume of gas and dust surrounding 3I/ATLAS ...

CAPE CANAVERAL, Fla. — A stray comet from another star swings past Earth this week in one last hurrah before racing back toward interstellar space. Discovered over the summer, the comet known as ...

NASA’s IMAP spacecraft studies charged particles, energetic neutral atoms, and magnetic fields at the heliosphere’s boundaries, providing real-time space weather data for Earth and spacecraft.

Astronomers found no radio signals from the comet that would suggest it is an extraterrestrial spacecraft. 3I/ATLAS was confirmed as the third known object to enter our solar system from interstellar ...

NASA’s newly launched IMAP mission is set to tell us more about the boundary between our Solar System and interstellar space ...