Last year, an interstellar traveler entered our solar system. Some speculated that it was an alien spacecraft, but it turned ...

Strange interstellar comet speculated to be alien spacecraft is older than Solar System - Scientists say comet represents ...

When Comet 3I/ATLAS entered our solar system last year—only the third known interstellar object to do so—astronomers took notice. When astronomers first discovered 3I/ATLAS in July 2025, the icy ...

For obvious reasons, the Sun’s influence weakens as you get closer to the edge of the solar system. But things might be a lot ...

Nasa is rushing to find a solution to prevent its first interstellar spacecraft from running out of power. Voyager 1, which launched in 1977, suffered a drop in power levels that forced mission ...

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 ...

A comet born around another star crossed into our solar system, accelerated to roughly 153,000 miles per hour at its closest ...

Even at this early stage in our spacefaring age, humanity has already begun sending probes that will eventually reach other solar systems, even if that was not their original intention. Five robotic ...

Last summer, a NASA-funded asteroid impact warning system detected a mysterious object speeding through the solar system. Scientists determined the object had entered the solar system from deep space, ...

The group leading the charge in the search for extraterrestrial life has given the all clear: An interstellar comet looks to be completely natural and free of any alien tech. The SETI Institute said ...

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