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 ...

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.

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

A forgotten science-fiction miniseries from 2015 adapted one of Arthur C. Clarke's very best books in just three episodes.

Some of these approaches may show promise, but new research indicates much of today’s AI is even more easily duped by false ...

Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.

The discovery bemused residents of a small town in northeastern Australia. The objects appear to be junk from a space launch, ...

Looking up reveals nature’s skylight, framing Arizona blue against fiery red stone in perfect composition. Photo credit: ...

With new technologies come new opportunities. And that is especially true in astronomy—with every new advanced telescope, we ...

Scientists are calling for a lunar quarantine facility where samples from Mars, the Moon, and beyond would be examined before being brought to Earth. They warn that even a tiny alien microorganism ...