Ridley Scott's inimitable 1979 sci-fi thriller, Alien, expertly ratchets up the tension by not having the titular alien show up on screen until roughly an hour into the film. Following in Scott's ...

NASA has postponed a planned Jan. 8 spacewalk outside the International Space Station due to a "medical concern" with an unnamed crew member. Mike Fincke and Zena Cardman had been scheduled to step ...

A new paper posits that advanced alien civilizations may communicate through subtle flashes, like fireflies do on Earth. The thought experiment suggests that we need to avoid human biases in our ...

A team of astronomers found no radio signals from the comet that would suggest it is an extraterrestrial spaceship. The comet was confirmed in July 2025 as the third known object to enter our solar ...

In July, researchers using the NASA-funded Asteroid Terrestrial-impact Last Alert System survey telescope in Chile made an exceedingly rare discovery: a mysterious object passing through the solar ...

A spacewalk, often called extra-vehicular activity in space industry parlance, refers to any activity an astronaut undertakes outside of a space station or spacecraft. The upcoming spacewalk is the ...

Two NASA astronauts were planning to conduct a spacewalk outside the International Space Station on Thursday, but now, it appears they may be coming home early. Reading time 3 minutes A medical issue ...

Scarlett Howard currently has funding from the Australian Research Council and the Hermon Slade Foundation. Adrian Dyer receives funding from the Australian Research Council, the Alexander von ...

As this interstellar object approached its closest point to Earth, a massive radio telescope attempted to sniff out a technosignature. Reading time 3 minutes From the moment astronomers discovered ...

A crowd-sourced search for alien intelligence called SETI@Home is in its final stages, analyzing 100 'signals of interest' with the world's largest radio telescope. When you purchase through links on ...

"We all would have been thrilled to find technosignatures coming from 3I/ATLAS, but they're just not there." When you purchase through links on our site, we may earn an affiliate commission. Here’s ...