China’s abrupt cessation of tracking the interstellar comet 3I/ATLAS following its recent Mars flyby has left astronomers worldwide puzzled. The comet, which was closely observed during its encounter ...

Are human spacecraft, landers, rovers and other space-exploration debris little more than trash littering the surface of Mars, or the modern equivalent of Clovis points—treasured artifacts marking ...

What processes are responsible for dust storms on Mars? This is what a study presented today at the American Geophysical Union 2024 Fall Meeting hopes to address as a pair of researchers from the ...