There are two small moons in orbit around Mars today, but both may be remnants of a much larger moon that had enough of a gravitational pull to drive tides in the Red Planet's lost lakes and seas ...

During the Cold War, the CIA quietly funded a classified program to investigate psychic espionage after learning the Soviet ...

Planetary scientist Tom Van Flandern argued that the solar system did not form the way it was taught in schools. He believed ...

Regular, alternating layers in Gale Crater may have been deposited as the result of tides raised by a moon at least 18 times ...

Maven, an acronym for Mars Atmosphere and Volatile Evolution, abruptly stopped communicating with ground stations on Dec. 6.

As humanity prepares to take its first steps on Mars, a comprehensive report released by the National Academies of Sciences, ...

As humanity prepares to take its first steps on Mars, a comprehensive report released today (Dec. 9) from the National ...

Bizarre 'bleached' rocks on the surface of Mars suggest that the Red Planet was once a tropical oasis, a new study reveals.

For several decades, it has been thought that dust devils on Mars may be able to produce spark discharges. Many lab ...

Earth’s toughest bacteria could turn Martian dust into building materials. Could these microbes be the key to our survival on ...