Star clusters are of great importance in any galaxy: they are the birthplace of new stars, often containing massive stars of ...
Comet C/2025 R2 (SWAN)'s backdrop is dominated by the Eagle Nebula — a vast cosmic structure of dust and hydrogen-rich gas ...
Astronomers have spotted the longest gamma-ray burst ever seen, a cosmic explosion that lasted seven hours — and they ...
NASA has visualized the cataclysm, which is thought to have caused a mysterious eruption of gamma rays captured by telescopes ...
For the first time, scientists have continuously monitored a planet's escaping atmosphere over a complete orbit, revealing ...
NASA released new images of 3I/ATLAS as it plunged towards the sun, captured by a host of the agency’s robots and probes. A camera on NASA's Mars Reconnaissance Orbiter captured this image of ...
Does 3I/ATLAS have interstellar headlights? Harvard scientist Avi Loeb speculated that NASA’s recently released photos of 3I/ATLAS could potentially point to its artificial origins — and even wondered ...
NASA has released a long-awaited collection of new photos of comet 3I/ATLAS, the interstellar visitor that has been making headlines since its discovery in July. Several NASA spacecraft snapped the ...
Perplexity's AI browser, Comet, is now available to download on Android, bringing the AI tool to mobile for the first time. Comet first launched on desktop in June for those with a $200-per-month Max ...
On July 1, 2025, astronomers spotted a faint new comet and labeled it 3I/ATLAS. It wasn’t just another icy rock. It turned out to be just the third known interstellar object that humans have ever ...
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An Interstellar Comet Is Buzzing our Solar System
The 43-day government shutdown didn’t only affect affairs on Earth, it also reached into space. While the feds idled, an interstellar object known as 3I/ATLAS was barnstorming the solar system, at a ...
PUNCH’s observations of comet 3I/ATLAS from Sept. 28 to Oct. 10, 2025, when the comet was between 231 million to 235 million miles from Earth. Each frame is a daily stacked image, made up of multiple ...
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