Days after US President Donald Trump captured Venezuelan President Maduro and his wife Cilia Flores, US special forces were captured training in the UK. At least 10 C-17 Globemasters and two heavily ...

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 ...

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 ...

Highlights from a cometary trio that captured our imaginations. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. 2025 has seen stargazers look on ...

An instrument aboard NASA’s Europa Clipper spacecraft captured rare ultraviolet observations of an interstellar comet while Earth-based telescopes were blinded by the Sun. The spacecraft’s unique ...

Is it alien? Is it natural? Those questions have followed the interstellar comet known as 3I/ATLAS since it entered our solar system last year from beyond our own star system. A new study released ...

3I/ATLAS is only the third interstellar object ever observed traveling through the solar system, following 1I/'Oumuamua in 2017 and 2I/Borisov in 2019. Each encounter has sparked fascination—and ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London. Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and ...

The small, icy visitor now racing away from the inner solar system is not just another comet. It is an interstellar object, cataloged as 3I/ATLAS, and its evolving behavior is giving planetary ...

As this interstellar object approached its closest point to Earth, a massive radio telescope attempted to sniff out a technosignature. Reading time 3 minutes From the moment astronomers discovered ...

With 2025 nearly in the books, let’s revisit some of the highlights of the year in space, from astronomy to spaceflight. If you're enjoying this article, consider supporting our award-winning ...

Is it cropdusting Earth with toxins? When 3I/ATLAS made its fly-by of Earth on December 19, Harvard scientist Avi Loeb wondered if it could’ve delivered an early Xmas present — poison debris raining ...