Volcanic ash is creeping across the surface of Mars with startling speed. The European Space Agency’s (ESA’s) Mars Express ...

Observations by the Mars Express orbiter reveal rapid changes on the Red Planet’s surface from windblown volcanic ash ...

Mars exploration is heating up. NASA eyes sample returns and crewed landings by the 2030s, but its current relay satellites — ...

The giant New Glenn rocket from billionaire Jeff Bezos' space company Blue Origin launched from Florida on its debut mission for paying customers on Thursday, sending two NASA satellites toward Mars ...

Previously called the Mars Telecommunications Orbiter, the winner of the fast-track NASA program is widely expected to receive a contract by the end of September under legislation which requires ...

Mars has long been cast as a frozen desert, a world of dust and stone that lost its water eons ago. Fresh evidence from a cluster of pale, “bleached” rocks now suggests that picture is far too bleak, ...

The quiet hours before a rocket launch always carry a sense of hope, especially when a mission aims to answer old questions about a distant world. That feeling is strong as NASA gets ready to send a ...