On 29 October 2025, 3I/ATLAS will reach its closest distance to the sun. Should we worry? Here's what experts say.

The orbital eccentricity of Comet 3I/ATLAS is an incredible 6.15, well beyond the threshold of 1 that marks escape from the ...

The question is not if — it’s when. We will all use an AI browser soon. But which one and how soon. Meanwhile, Chrome dominates on both PCs and mobiles and no pureplay AI browser is noisier than Comet ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. The Gemini South Observatory in Chile captured this photo of interstellar comet 3I/ATLAS in July.

Analyses of its emissions using NASA’s Neil Gehrels Swift Observatory indicate that the interstellar comet probably has a very different structure than comets in the solar system. Hydroxyl compounds ...

The comet is only the third interstellar object recorded in the solar system. Astronomers just caught a rare glimpse of an interstellar comet as it zoomed past Mars. Images of the object, dubbed ...

"It tells us that the ingredients for life's chemistry are not unique to our own." A rocky visitor from beyond our solar system is leaking water like a "fire hose running at full blast," a new study ...

This newly discovered comet could soon glow bright enough for the naked eye as it sweeps through October's morning and evening skies. Comet Lemmon (C/2025 A6) is quickly brightening as it draws closer ...

Another comet, C/2025 A6 Lemmon, is possibly becoming bright enough to be visible to the naked eye in the coming days.(WTOP/Greg Redfern) A year ago, the D.C. region was enthralled with Comet A3 ...

A mysterious interstellar comet — just the third such object ever confirmed to have entered our solar system — streaked past Mars last week. A spacecraft in orbit around the red planet had a front-row ...

The European Space Agency’s ExoMars Trace Gas Orbiter captured images of 3I/ATLAS on October 3. ESA / TGO / CaSSIS 3I/ATLAS, the rare comet currently making headlines as it travels through our solar ...

Two rare bright comets are visiting our neighborhood this month, making for once-in-a-lifetime viewing. The comets, C/2025 A6 (Lemmon) and C/2025 R2 (SWAN), are already showing off their green tails ...