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

What happens when a solar superstorm hits Mars? Thanks to the European Space Agency's Mars orbiters, we now know: glitching ...

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

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

This summer, scientists spotted an incredibly rare visitor to Earth’s solar system—a comet, now known as 3I/ATLAS, that entered our solar system from the galaxy beyond and is zipping past the sun at a ...

Earth and Mars were formed from material that largely originated in the inner Solar System; only a few percent of the building blocks of these two planets originated beyond Jupiter’s orbit. A group of ...

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 ...

NASA's Mars Odyssey robotic spacecraft, which has been exploring Mars for over two decades, is set to complete an impressive milestone on June 30: 100,000 orbits around the Red Planet. Since its ...

Chalk up another victory for “Conan the Bacterium”—a rugged germ that fresh research suggests could conquer the solar system.

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 ...