The interstellar comet 3I/ATLAS has shifted from a routine curiosity to a physics puzzle, as NASA and other teams report that ...

Map of Mars illustrating the fourteen missions to Mars, key sites, and examples of artifacts contributing to the development of the archaeological record: (B) Viking-1 lander; (C) trackways created by ...

Interstellar comet 3I/ATLAS has just become one of the best tracked visitors ever to barrel through our solar system, thanks to a Mars orbiter that sharpened its trajectory by an order of magnitude.

Anthropologists argue physical artifacts of human exploration on Mars deserve cataloging, preservation and care in order to chronicle humanity's first attempts at interplanetary exploration. Are human ...