The rover's 26th sample, known as "Silver Mountain," has textures "unlike anything we've seen before," NASA says.

A recently released animation shows a new look at a large asteroid that has a small, but significant, chance of impacting ...

Two astronauts -- one in space, and one on Earth -- will discuss daily life on the ISS, and chat participants can ask them ...

Rovers sent to Mars have so far failed to detect life, likely because it doesn’t exist on the Red Planet. But we can’t say ...

Urban Sky has raised a $30 million Series B round to develop constellations of stratospheric “Microballoons” for Earth ...