Advances in technology have reopened the debate over terraforming Mars, shifting it from an impossible dream to a long-term scientific and ethical question.

Mars may have been a "blue planet" with an ocean the size of today's Arctic Ocean, a new study suggests.

A pull in the right direction ...

Mars has an active, electrically charged surface where dust storms and spinning dust devils regularly move and reshape the landscape. Mars is often portrayed as a dry, empty world, but the planet is ...

Long thought of as a dry, barren world, Mars may once have shimmered with shades of blue. A new study reveals the discovery ...

NASA’s MAVEN spacecraft has provided the first direct evidence of atmospheric sputtering on Mars, revealing how solar wind has eroded the planet's atmosphere over four billion years, turning a ...

This doesn’t mean Mars causes ice ages on its own. Orbital cycles are only part of the picture. Earth’s oceans, atmosphere, ...

New simulations show red planet affects Milankovitch cycles that shape how solar energy is distributed on Earth over millions ...

Researchers believe Perseverance recorded 55 instances of "mini lightning," providing the first sound evidence of Martian electrical activity. The lightning occurs during dust storms and dust devils, ...

NASA's plans for Mars sample return are effectively cancelled as part of a bill approved by the U.S. Congress, ending efforts ...

NASA says it is “very unlikely” the agency will be able to recover a Mars spacecraft that has been out of contact for more ...

Mars today is a frozen, dusty desert. But if you look deep inside Valles Marineris, the largest canyon system on Mars and in ...