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.

A science experiment aboard NASA's Curiosity rover has found tantalizing traces of possible past life on Mars. But there ...

Martian lake beds and deltas reveal the Red Planet’s watery past. But many puzzles remain, scientist Bruce Jakosky says.

While Curiosity mission scientists have previously identified small, simple organic molecules on the red planet, the ...

Scientists found the longest organic molecules ever on Mars — ancient carbon chains that resemble the building blocks of life ...

Until now, only about a quarter of the seafloor has been mapped using ships with special sonar equipment. The rest has ...

When NASA's Ingenuity Mars Helicopter attempts its first test flight on the Red Planet, the agency's Mars 2020 Perseverance rover will be close by, as seen in this artist's concept. NASA MARCI ...

From its perch in the foothills of the 3.4-mile-high mountain, you can see over an expanse of plains, called Aeolis Palus, ...

The spacecraft, about the size of a small car, conducted a series of experiments. It drilled three feet into the lunar soil, took X-ray images of the magnetic bubble that surrounds and protects Earth ...

For decades, scientists have had better maps of the Moon and Mars than of Earth’s own ocean floor. But thanks to NASA’s ...

Experts analyzed satellite imagery of planetary surface cracks and compared them with Earth's geologic features, searching ...

Where do meteorites of different types come from? In a review paper in the journal Meteoritics & Planetary Science, ...