Interstellar visitors are rare enough that each one rewrites the playbook for how scientists study the space between stars. On July 1, 2025, the ATLAS survey spotted a new object, first tagged as ...

Comet 3I/ATLAS was full-on erupting into space in December 2025, after its close flyby of the sun, causing it to ...

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.

Interstellar comets are the original cosmic explorers, and by studying their metallic whispers, we are learning the secrets ...

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

Comet C/2024 E1 (Wierzchos), originating from the edge of the Solar System, is set to grace Indian skies in a once-in-a-lifetime event.

(KTLA) — NASA on Wednesday released new images and data of Comet 3I/ATLAS, the rare interstellar object that set off weeks of speculation — and a full-blown online debate — over whether it could be an ...

The interstellar visitor, only the third such object to be discovered passing through our solar system, ignited controversial ...

The fate of a comet that was predicted to pass close to Earth remains a mystery five years after its dramatic breakup in the ...

The cliffside collapse created about 2,000 tonnes of rubble, 99 percent of which settled at the foot of the precipice. In 2015, Europe's Rosetta spacecraft witnessed -- and photographed -- a big one ...

Comet C/2025 R2 (SWAN) was imaged in October as it crossed the galactic plane of the Milky Way. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

A pair of new studies suggest that key steps toward life’s chemistry may begin long before planets exist. Experiments simulating interstellar space show that simple amino acids can link into peptides, ...