Europe has launched its biggest-ever planetary-defence simulation as the giant interstellar object 3I/ATLAS nears the solar system. Massive, active and travelling from deep space, 3I/ATLAS is nearly ...

The European Space Agency’s Juice spacecraft captured rare images of the interstellar comet 3I/ATLAS while on its way to ...

Interstellar visitor 3I/ATLAS erupted with violent ice volcanoes, shifting from quiet ice ball to active body, sparking ...

Another major scientific warning about the planet’s accelerating decline landed this week, and once again, the numbers are ...

NASA has shared new insights on the interstellar comet 3I/ATLAS, revealing four key observations from its latest scientific briefing. The rare cosmic visitor offers scientists a unique window into ...

Jupiter shines brilliantly in the eastern sky this December as it nears opposition early in 2026, outshining nearby stars and ...

The last time Ars reviewed a Subaru Forester, it left us impressed. How about one with 40 percent better economy, in that ...

Irish planetary scientists have christened a spider-like feature on Jupiter's icy moon Europa as "Damhán Alla," which ...

Stunning new photos from Egypt show interstellar comet 3I/ATLAS glowing an unusually bright emerald green, prompting fresh ...

A team of researchers from the University of Zurich and the NCCR PlanetS is challenging our understanding of the solar system ...

They called it 3I/ATLAS—the third interstellar object ever detected passing through our solar system. It was spotted on July ...

A startling calculation has emerged from recent research: if an extraterrestrial intelligence were positioned to observe an alignment of Earth and Mars, there is a 77% chance they would be in the path ...