On a battered rock in an ancient Martian riverbed, a pattern of dark, rounded patches has jolted planetary science. These “leopard spots” do not just look strange, they line up uncannily with what ...

A single pale rock in an ancient Martian riverbed is forcing scientists to rethink when, where, and how life might have taken hold on the Red Planet. Instead of a slow, abstract search for ...

Add Yahoo as a preferred source to see more of our stories on Google. Yellow crystals that were revealed after NASA’s Curiosity happened to drive over a rock and crack it open A rock on Mars spilled a ...

Perseverance sampling a rock called Cheyava Falls in Neretva Vallis. (NASA/JPL-Caltech/MSSS) The discovery of abundant nickel ...

Scientists may be one step closer in their hunt for signs of past life on Mars after the Curiosity rover's latest find. Nearly a year ago, the car-sized robot – one of two NASA rovers roaming the red ...

A new study of carbon-based molecules in a Martian rock offers new hints about the possibility that the red planet once hosted life. The researchers considered a range of possible processes that could ...

Planetary exploration may be about to get a major speed boost. Researchers tested a semi-autonomous robot that can move from ...

A new study of carbon-based molecules in a Martian rock offers new hints about the possibility that the red planet once hosted life. The researchers considered a range of possible processes that could ...