Interstellar visitor 3I/ATLAS has just been subjected to one of the most sensitive alien-technology checks ever mounted on a ...

A light, imaginative look at how extraterrestrial observers might interpret car haulers and what these vehicles reveal about ...

I/ATLAS was first discovered on July 1, 2025, it has garnered much attention, including speculation, hopes and fears that it ...

Some scientific breakthroughs may be lost to time due to scandal and redaction, while others are simply a case of waiting for ...

A photon was apparently detected in two places at once in a twist on the classic double-slit experiment, but many physicists ...

"Star Trek" is home to countless alien species, many of whom offer beloved characters. Some are not. We rank the 10 most ...

From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.