A newly found super-Earth could help provide answers as to why there are hardly any planets twice the diameter of Earth.

Two NASA rovers on Mars recently made two independent discoveries further indicating that ancient life may have once existed ...

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

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 Mars Curiosity rover’s onboard mini-lab has helped confirm the existence of the largest organic molecules ever found on ...

Experts have been working on mapping the ocean floor with traditional methods, sending ships across the water with sonar ...

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 ...

Curiosity has previously discovered small organic molecules on Mars, but these recently found compounds are larger and would ...

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

While the presence of these molecules is not proof of ancient life on Mars, scientists say it shows we could detect chemical ...

NASA's Perseverance Mars rover spotted a mysterious rock made of hundreds of tiny spheres that resemble spider eggs. Studying ...

March 25 (UPI) --The NASA rover "Curiosity" discovered what scientists say is the largest ever seen organic molecules on Mars, raising speculation about if life was created billions of years ago ...