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

FAIRBANKS, Alaska – This week, NASA aims to fire off rockets into the night sky over Alaska in an attempt to better understand polar auroras – more commonly known as the Northern Lights.

With a plan that America's premier space agency describes as its "most ambitious, multi-mission campaign," it intends to send a spacecraft into orbit around the Red ... Rocket Lab this week urged ...