After nearly a decade in orbit, NASA's MAVEN spacecraft has, for the first time, directly observed the process that ...

For years, scientists have puzzled over how Mars lost the thick atmosphere it once had. That atmosphere was essential for ...

After a decade of orbital investigation, NASA’s MAVEN mission has made a pivotal breakthrough in unraveling the mystery of Mars’ disappearing atmosphere. For the first time, scientists have directly ...

On Dec. 26, 2022, NASA's MAVEN Orbiter witnessed Mars' magnetic shield and atmosphere drastically ... that continuously stream out of the sun, known as solar wind. This sudden atmospheric ...

An image from NASA’s Mars Reconnaissance Orbiter of a gully in the Martian region Dao Vallis. The white areas in the centre of the image are believed to be areas of dusty ice similar to that ...

By Robin George Andrews The sun fired off a volley ... that no astronauts were there. Mars’s thin atmosphere and the absence of a global magnetic shield meant that its surface, as registered ...

Last year, scientists also spotted aurora-like phenomena on the sun ... shield the dusty world from solar radiation. As a result, it is much easier for SEPs to flood right across what's left of ...

Mars is further from the sun and smaller than Earth ... is wide enough to cover the state of New Mexico. Olympus Mons is a shield volcano, with slopes that rise gradually like those of Hawaiian ...

When the sun unleashed an extreme solar storm and hit Mars in May, it engulfed the red ... which means the planet has no shield from incoming energized solar particles. So when the particles ...

The sun constantly spews gas and particles charged ... One day last December, it disappeared as it approached both our planet and Mars. In response to the sudden lull in the solar wind, the ...

And for any extended missions, the sun's rays must also be considered; while Earth's magnetic field helps shield humans from radiation, Mars has no such protection, meaning that "astronauts will ...