Search results for 3i atlas

Space Exploration Feb 16, 2026

A new concept for catching up with 3I/ATLAS

The arrival of 3I/ATLAS in our solar system spawned multiple proposals for a rendezvous mission to study it up close. As the third interstellar object (ISO) ever detected, the wealth of information direct studies could provide ...

Astronomy Feb 11, 2026

NASA's SPHEREx mission spots 3I/ATLAS's bright envelope

NASA's Spectro-Photometer for the History of the Universe, Epoch of Reionization and Ices Explorer (SPHEREx) was built for the ambitious purpose of performing an all-sky survey. The data it collects from more than 450 million ...

Planetary Sciences Jan 20, 2026

SPHEREx imaging reveals increased sublimation activity on 3I/ATLAS

The interstellar object, 3I/ATLAS, was first discovered in July 2025, and made its closest approach to the sun (perihelion) in late October. New observations of 3I/ATLAS were taken in December from the SPHEREx observatory—a ...

Astronomy Jan 7, 2026

Inside the massive radio search of our newest interstellar guest

It feels like every week now we're writing a new article about how 3I/ATLAS is not an alien technology. But it's worth reiterating, and perhaps taking a look at the methodology we used to prove that statement. A new paper, ...

Planetary Sciences Jan 2, 2026

The interstellar comet that's spilling its secrets

When 3I/ATLAS swept past the sun in late October 2025, it became only the third confirmed visitor from interstellar space ever detected. Unlike the mysterious 'Oumuamua, which revealed almost nothing about itself during its ...

Astronomy Dec 30, 2025

Most sensitive radio observations to date find no evidence of technosignature from 3I/ATLAS

Since the interstellar object (ISO) 3I/ATLAS was first discovered on July 1, 2025, it has garnered much attention, including speculation, hopes and fears that it may somehow contain evidence of technologically advanced civilizations ...

Space Exploration Dec 29, 2025

The moon and sun figure big in the new year's lineup of cosmic wonders

The moon and sun share top billing in 2026.

Astronomy Dec 18, 2025

Comet 3I/ATLAS: Europa Clipper captures rare ultraviolet view

The Southwest Research Institute-led Ultraviolet Spectrograph (UVS) aboard NASA's Europa Clipper spacecraft has made valuable observations of the interstellar comet 3I/ATLAS, which in July became the third officially recognized ...

Astronomy Dec 16, 2025

PUNCH mission spacecraft producing unprecedented images of Sun

After less than a year in orbit, the Southwest Research Institute-built PUNCH spacecraft have made major accomplishments, imaging the sun in context while tracking comets and enormous space weather events as they traveled ...

Astronomy Dec 15, 2025

XMM-Newton sees comet 3I/ATLAS in X-ray light

The European Space Agency's X-ray space observatory XMM-Newton observed interstellar comet 3I/ATLAS on 3 December for around 20 hours. During that time, the comet was about 282–285 million km from the spacecraft.

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