Astronomers have previously found signs that Sgr A* erupted in the past, but evidence of an ongoing outflow remained elusive.

"The origin of the Galactic Center Excess is one of the longest-running debates in astrophysics." ...

Instead of searching the skies for radio signals, scientists suggest the first evidence of an extinct alien civilisation ...

As for those salt clouds, the salt is not table salt or even Pink Himalayan Rock Salt, though that would go splendidly with ...

Interstellar comet, 3I/ATLAS, might be one of the oldest celestial bodies ever seen, potentially forming 10 to 12 billion ...

Scientists now believe alien signals may have already reached Earth, and the reason we keep missing them has nothing to do ...

Is the rest of the cosmos a pristine environment awaiting the arrival of humanity’s “post-human” descendants? Or is advanced ...

Grain-sized remnants of alien technology may get caught in solar wind and land on plants and moons close to us ...

When interstellar comet 3I/ATLAS was discovered by the ATLAS survey telescope in Chile on July 1, 2025, it quickly attracted ...

Once small enough, these technograins might gain a trip out of its host solar system by a solar wind that overcomes the ...

Harvard astrophysicist Avi Loeb has floated the provocative idea that humans might themselves be alien‑made 'autonomous probes,' built through advanced synthetic biology rather than evolving entirely ...