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

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

Alien civilisations may have just been given a 400,000-fold boost in their chances of finding humans, according to a new study of where Earth sends its strongest deep-space radio signals. The analysis ...

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 ...

Interstellar space is unforgivingly vast, but the emptiness has some advantages. The lack of atmosphere means there is no aerodynamic drag.