The findings potentially solve the paradox of how liquid water seems to have persisted on Mars even when the climate grew too ...

For astronaut safety and to bolster success of the human exploration to come later, NASA needs an end-to-end demonstration of ...

How did life begin on Earth? While scientists have theories, they don't yet fully understand the precise chemical steps that led to biology, or when the first primitive life forms appeared.

CAPE CANAVERAL, Fla. (AP) — Scientists revealed Wednesday that Mars’ innermost core appears to be a solid hunk of metal just like Earth’s. The Chinese-led research team based their findings on seismic ...

The concept of terraforming Mars — transforming the planet's climate to support life as we know it — has long belonged to the realm of science fiction. But a new study argues that it's time to take ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. For three successive nights, beginning Monday, June 16, the ...

NASA's sharp-eyed Mars Reconnaissance Orbiter (MRO) just notched a big milestone. MRO's HiRISE ("High Resolution Imaging Science Experiment") camera has now snapped 100,000 photos of the surface of ...