NASA lost communication with its MAVEN probe nearly a month ago, and efforts to re-establish a connection have been futile.

As NASA prepares to bring Crew-11 home early, here's a look at other medical issues or space emergencies that NASA has overcome.

As work continues for a mission to raise the orbit of NASA’s Swift spacecraft, project officials are also pursuing steps to extend the satellite’s life.

Crew-11's successor mission, the four-astronaut Crew-12, is currently targeted to launch in mid-February. NASA is looking at possibly accelerating that timeline, but it's unlikely that Crew-12 could leave the ground before Crew-11 comes home.

NASA has lost contact with a spacecraft that has orbited Mars for more than a decade. Maven, an acronym for Mars Atmosphere and Volatile Evolution, abruptly stopped communicating with ground stations on Dec. 6. NASA said this week that it was working fine ...

NASA’s Curiosity rover appears as a dark speck in this contrast-enhanced view captured by the Mars Reconnaissance Orbiter. NASA’s Curiosity rover was trucking across the surface of Mars, heading to its next destination, when a faraway paparazzo snagged ...