This new propulsion system could rewrite the rules of spaceflight—not to mention completely defy conventional physics.

But Curiosity wasn't the only one with a geological mystery. At the same time, roughly 2,300 miles away on the other side of ...

Led by Curtin University geologists Chris Kirkland and Tim Johnson, a research team unearthed this primeval crater beneath ...

"The universe is filled with a range of three-body systems, including the closest stars to Earth, the Alpha Centauri star system, and we're finding that the Kuiper Belt may be no exception!" ...

The NASA rover "Curiosity" discovered what scientists say is the largest ever seen organic molecules on Mars, raising ...

Curiosity found large organic molecules in a 2013 Mars rock sample. These fragments suggest Mars had the right chemistry for ...

An arrowhead-shaped rock on Mars sporting features that may hint at ancient microbial activity on the Red Planet has left ...

The Curiosity rover detected the largest organic molecules to date on Mars, which may be fragments of fatty acids, or some of the chemical building blocks of life.

The molecules may be remnants of fatty acids, which form cell membranes in Earth’s organisms, though they might have formed ...

A team of astronomers has spent over a decade tracing meteorite impacts on Earth back to their original sources in the ...

Within the next decade, space agencies plan to bring samples of rock from Mars to Earth for study ... life in ancient rocks analogous to those found on Mars. Within the next decade, space agencies ...

NASA is monitoring a bus-sized asteroid as it makes its closest approach to Earth today, among a group of five space rocks ...