An asteroid impact millions of years ago may have provided a natural incubator for early life on Earth, scientists say.

Suppose there are signs of extraterrestrial life and we have not yet been able to detect them. What does that mean? In Nature ...

For decades, the search for life beyond Earth has revolved around a key question: What molecules should scientists be looking ...

NASA's Curiosity rover has photographed extraordinary spiderweb-like formations on Mars that scientists believe could hold ...

NASA engineers spun next-gen Mars helicopter blades past Mach 1 without shattering them. See how JPL unlocked the future of ...

Curiosity, which is exploring Gale Crater, conducted a chemistry experiment on a rock sample that revealed complex carbon ...

Imagine looking at your retirement account and seeing that your money is helping build a city on Mars. That scenario is no ...

A favourite of directors including Steven Spielberg and Martin Scorsese, the 1953 version of Invaders from Mars frightened a generation with its vision of Martian mind-controllers arriving on Earth.

While scouring a 50-million-year-old crater on Mars, the Curiosity rover stumbled upon a polygon-shaped pattern that sort of looks like a giant reptile had shed its skin across the planet’s surface.

Scientists have discovered an 'alien' material inside a massive crater on Earth, sparking new questions about how life may ...

The greatest pitfall in the search for extraterrestrial life—according to science fiction, anyway—is foolhardy researchers somehow bringing aliens to Earth to wreak havoc. But after decades of ...

A rendering of the mid-air deployment of one of the SkyFall copters. (NASA Jet Propulsion Laboratory/AeroVironment, Inc.) ...