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

New research shows how Mars may have undone its own habitability, while Earth stayed stable enough to support life.

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

Algae grown under Mars-like conditions could make bioplastic building materials for structures to harbor life in space.

A lab experiment that simulated Mars conditions showed that green algae can grow in plastic containers made from the same ...

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, and Venus.

Wave-like landforms on Mars provide clues about the planet’s icy history, its potential to support life, and the behavior of ...

The origin of life is one of the most fundamental and enduring questions of mankind and one of the three greatest Origin ...

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

1951 Flight to Mars In this sci-fi drama, scientists arrive on Mars to find a planet populated by a subterranean, dying race similar to humans—who may be plotting a desperate invasion of Earth.