On May 22, 2026, the Pentagon released a second batch of previously classified photos and videos showing what appear to be ...

Alien civilisations may have just been given a 400,000-fold boost in their chances of finding humans, according to a new ...

Scientists may have discovered how extraterrestrial civilizations could actually detect and find Earth.

Astronomers and social media users have been debating the newly discovered interstellar object 3I/ATLAS after viral videos ...

Space is unforgiving about inefficiency. Every kilogram launched costs somewhere between $2,000 and $10,000 depending on the vehicle – and that’s on a good day with a favorable contract. In that ...

This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights. Every year, companies and space agencies launch ...