The boundary between Earth and outer space is far less clear than most people assume. Scientists use multiple definitions ...

3I/ATLAS, the third known interstellar object to enter our solar system, after 'Oumuamua (discovered in 2017) and 2I/Borisov ...

Astronomers scan interstellar comet 3I/ATLAS for alien signals as Breakthrough Listen's 2026 technosignature search comes up ...

The CIA's refusal to confirm records on interstellar object 3I/ATLAS sparks a global debate. Is it a comet or a 'black swan' ...

Interstellar visitor 3I/ATLAS sparked alien probe theories, fueled by Harvard scientist Avi Loeb's suggestions. However, ...

The Blue Origin flight was widely criticized for its environmental impact, but the space trip could signal the beginning of ...

From teenage messiahs to the Lynyrd Skynyrd story, we rank 16 bombastic masterpieces that pushed the boundaries of rock and storytelling ...

It feels like every week now we're writing a new article about how 3I/ATLAS is not an alien technology. But it's worth ...

Throughout December, the SETI Institute appeared across leading science and media outlets, reflecting the SETI Institute’s continued leadership in research and public engagement.

Five quartz arrowheads found in a South African cave were laced with a slow-acting tumbleweed poison that would have tired ...

We live with this star, so it’s really important we observe it and try to understand how it works and how it affects our ...

Octopus and other cephalopods are good at hiding themselves—and are inspiring cutting-edge technologies that may help us do ...