"NASA’s award decision appears to be inconsistent with the eligibility criteria mandated by Congress," Rocket Lab has said.

Scientists developed a yeast-based material combining sand and gelatin that reached low-grade concrete strength while being ...

One asteroid impact may have carved Deimos, buried its surface in debris, and reshaped the entire Martian moon. An ...

According to Hou, microscopic, molecular and isotopic analyses of the samples could provide important insights into Mars' geology and help determine whether the planet was ever habitable.

See the 2,500 mile-long (4000 km) Valles Marineris in imagery captured the Mars Reconnaissance Orbiter. Global topography: ...

The Chinese mission to Mars is on pace to launch in 2028, and it may beat the U.S. back to Earth with soil samples, even ...