Discover six hard sci-fi films where science shapes story and emotion, like Europa Report and The Martian. Brainy, emotional, ...

There are many hard sci-fi books to choose from, and these are the most impressive ones that have been released in the 21st ...

Scientists propose building a lab on the moon to screen Mars and other space samples for alien microbes before they ever ...

The Tiangong space station approaches Tycho Crater in stunning amateur transit footage.

Mars' innermost moon, Phobos, has long puzzled planetary scientists, who have continually debated whether it's a captured asteroid or formed from debris after a giant impactor struck the Martian ...

The organic molecules could come from life or from ordinary chemistry — only samples returned to Earth can settle it.

Could Martian mudstones be holding evidence of ancient microbes? New findings strengthen the case that the Red Planet once ...