New modeling of carbon cycle shows unsteady but habitable history before liquid water disappeared New models from recent ...

On the eve of the 249th anniversary of American independence, NASA on Tuesday showcased a patriotic image of Old Glory as ...

Why is Mars barren and uninhabitable, while life has always thrived here on our relatively similar planet Earth?

UChicago-led analysis of Mars Science Laboratory Curiosity rover data may explain why planet was likely harsh desert for most ...

Summer nights offer lots of interesting sights this month. Mercury and Mars are on show in the evening twilight. Both Uranus ...

Mercury is the month's highlight, reaching greatest elongation July 4. Also on show in the Southern Hemisphere: Mars, Saturn, ...

Imagine printing your Martian home from dust, sunlight, and a bit of biology. A new synthetic lichen system uses fungi and ...

So in a way, the ancient connection between the planet Mars and blood wasn’t completely wrong. Rust, which is a common form of iron oxide found here on Earth, also often has a reddish color.

Living in today's age of ambitious robotic exploration of Mars , with an eventual human mission to the red planet likely to happen one day, it is har ...

The quantitative habitability framework allows my team to answer questions like whether astrobiologists might be interested in a subsurface location on Mars, given the available data, or whether ...

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 ...

Its upper size limit would put the minor planet in the same wheelhouse as Ceres, the largest asteroid in the belt between Mars and Jupiter, boasting a diameter of about 592 miles (952 km).