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

According to SpaceX’s own calculation, the Roadster completed its first orbit around the Sun in August 2019 and made its first close approach to Mars on Oct. 7, 2020.

Elon Musk envisions a utopian city on Mars, but is he disclosing all the challenges? From radiation risks to psychological hurdles, discover the hidden obstacles of Martian colonization.

The asteroid warning network is affiliated with the United Nations. Officials activate the IAWN when an asteroid bigger than ...