Mercury, Venus, and Mars sit within the same general neighborhood as Earth, yet each has followed a radically different path.

The ESA's Mars Express and ExoMars Trace Gas Orbiter spacecraft watched as a superstorm that ravaged Earth also struck the ...

The planet received, in just 64 hours, the same amount of radiation it typically absorbs over 200 days, overwhelming its upper atmosphere.

When the surface of the Sun exploded with activity in May 2024, Earth was hit by the biggest solar storm in more than two ...

Earth and Mars showed very different responses to the same solar storm.

A huge solar storm struck Mars in 2024, supercharging its upper atmosphere and briefly disrupting spacecraft orbiting the Red Planet.

A mysterious interstellar comet — just the third such object ever confirmed to have entered our solar system — streaked past Mars last week. A spacecraft in orbit around the red planet had a front-row ...

There are many different ways to get to Mars, but there are always tradeoffs. Chemical propulsion, proven the most popular, can quickly get a spacecraft to the red planet. But they come at a high cost ...

Add Yahoo as a preferred source to see more of our stories on Google. The European Space Agency's ExoMars Trace Gas Orbiter image of interstellar comet 3I/ATLAS as it passed close to Mars. (The ...