NASA's SPHEREx space telescope detected organic molecules coming off comet 3I/ATLAS as the interstellar visitor made its closest approach to Earth in December.

The comet runs the risk of being destroyed by its extremely close approach to the Sun in April 2026.

NASA’s SPHEREx telescope observed a dramatic outburst from interstellar comet 3I/ATLAS after its October 2025 solar flyby.

Comet 3I/ATLAS flare shocks scientists as NASA’s SPHEREx finds water, CO2 and organics in a late outburst as it exits the ...

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

Solar wind sounds poetic, but it's a very real and powerful phenomenon, connecting the Sun to every part of our solar system. Unlike the wind we feel .

3I/ATLAS may have moved away from Earth as it makes its way out of the solar system, but this interstellar intruder continues to delight and surprise astronomers. When you purchase through links on ...

Comet 3I/ATLAS, the third interstellar object ever detected, reached its closest point to Earth overnight from Thursday to Friday (Dec. 18 to 19), and it remains in a good viewing position tonight.

The sky is full of familiar objects, but occasionally, an interloper arrives that defies our known physics. At 02:28:12 UTC on Dec. 15, 2025, a lone image captured by astrophotographer Toni Scarmato ...

The NASA/ESA Hubble Space Telescope reobserved interstellar comet 3I/ATLAS on 30 November with its Wide Field Camera 3 instrument. At the time, the comet was about 286 million kilometers from Earth.

New images captured by the European Space Agency (ESA) of the interstellar comet 3I/ATLAS has "surprised" the agency's Jupiter Icy Moons Explorer (JUICE) team as they saw the "very clearly visible ...

The shape is unmistakable. The symmetry is unnatural. And the implications lead directly to December 19. A new image reveals a feature that challenges the most familiar rules in comet science. By ...