The most massive chunk of Mars ever found on Earth could sell for up to US$4 million in a Sotheby's auction later this month.

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

One of the great unsolved problems in modern planetary science is written on the surface of Mars. Mars has canyons that were ...

One summer night in 1877, American astronomer Asaph Hall was looking through his telescope in Washington, D.C. Mars was at ...

The thick, mineral-rich layers of clay found on Mars suggest that the Red Planet harbored potentially life-hosting ...

If humans are ever going to live beyond Earth, they'll need to construct habitats. But transporting enough industrial ...

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

A meteorite that is the largest known piece of Mars on Earth is expected to fetch up to $4 million when it goes up for ...

The second half of the 19th century was a particularly interesting time to imagine Mars. This was a period during which the ...

NASA Odyssey orbiter snapped a first-ever image of a Mars volcano peeking above some clouds before dawn. It’s twice as tall as Earth’s largest volcano ...

"NWA 16788 is a discovery of extraordinary significance — the largest Martian meteorite ever found on Earth, and the most ...

If you looked at the churning clouds near Jupiter’s pole, they appear like ocean currents on Earth — as if you’re looking at ...