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

Jupiter and Mars will appear to make ultraclose approaches to the moon on two nights this week. Here's how to get the best ...

Sid and Meredith sit down with Tim Mahendran and Ashley Samuels, stars of the Live Aid musical "Just for One Day," to discuss the show's North American premiere and what they hope audiences take away ...

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