NASA's proposed Habitable Worlds Observatory will be designed for robotic repairs instead of astronaut servicing. The ...

The scientist has outlined the 'potentially devastating and irreversible long-term impacts' of unknown organisms in space ...

An AI stress tested by researchers confidently said it had seen signatures of life when they weren't in the data.

Eventually, we'll launch a mission dedicated solely to studying an interstellar object. When that day comes, which one should ...

The curious minds at What If explore what would happen if octopuses were actually aliens from outer space.

NASA’s Viking 1 lander set down in the Chryse Planitia region of Mars. Its identical twin, Viking 2, followed on Sept. 3 of ...

A new study proposes examining Mars and other space samples on the Moon before bringing them to Earth, arguing it would ...

British sci-fi television is among the most influential in the genre, and this forgotten series from the 1970s is a part of ...

Flash Gordon #18 finds our heroes caught between trigger-happy humans and well-armed Mortifacts. Can diplomacy win, or will ...

Launching in the 2040s, the HWO telescope will search for Earth-like planets and feature swap-out instruments maintained by ...

Australia's space agency said there's a completely rational, albeit cosmic, explanation behind the mysterious orbs that ...

The X-Men broke out in the 1980s and became Marvel's most popular superhero book, and here are the best villains they fought.