NASA’s SPHEREx space telescope has observed interstellar comet 3I/ATLAS flaring dramatically months after its closest pass by ...

Comet 3I/ATLAS was full-on erupting into space in December 2025, after its close flyby of the sun, causing it to significantly brighten. Even water ice was quickly sublimating into gas in ...

Comet 3I/ATLAS is already racing back into deep space, but its surprise resurgence in December 2025 has turned a fading curiosity into a case that planetary scientists will be arguing over for years.

In the latest data from NASA’s Webb and Hubble observations between December 2025 and January 2026, the researchers could take another peek into the nucleus and post-perihelion activity of 3I/ATLAS.

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

For millions of years, a frozen wanderer drifted between the stars before slipping into our solar system as 3I/ATLAS—only the ...

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

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

Is 3I/ATLAS just a comet — or an intergalactic ark? A NASA spacecraft has discovered organic chemicals on 3I/ATLAS, which ...

Add Yahoo as a preferred source to see more of our stories on Google. Those concerned that 3I/ATLAS' arrival to our solar system meant that some sort of alien invasion was imminent can breathe a sigh ...

Researchers detail a 2035 Solar Oberth maneuver mission using chemical propulsion to intercept interstellar comet 3I/ATLAS ...

Scientists found new evidence (or lack thereof) disproving the conspiracy theory that interstellar comet 3I/ATLAS is alien ...