The phenomenon of twilight clouds was first observed on Mars in 1997 during NASA’s Pathfinder mission. However, it wasn’t ...

The Sun sets differently on Mars. Part of that is due to its distance from the star (an average of 142 million miles versus ...

At the surface, Mars is a desolate, barren world with a rocky landscape, massive dust storms and extreme temperature swings.

Scientists found Titan’s orbit is shifting faster than expected due to tidal dissipation. A recent cosmic event likely ...

A recent multi-institutional study spearheaded by NASA has revealed the most volcanic place we know of. The planet, coined L ...

New images captured by NASA's Curiosity rover show colorful clouds in the sky over Mars. The images were captured by the rover's Mastcam, which NASA's Jet Propulsion Laboratory compared to the rover's ...

The planet has been shattering heat records for the past two years. That was expected to ease in January — and the fact that ...

SETI scientists try to determine whether aliens at a similar technology level to humans could detect Earth and from how far ...

New research at NAU looks at faster warming in the Arctic, and highlights concern about risks to the U.S. of a political ...

A recent video created from images captured by Curiosity shows clouds tinted red and green flowing though the sky over Mars.

A lot of the weather information Americans rely on starts with real-time data collected by NOAA satellites, airplanes, ...