Experts told Newsweek about the difficulties of reaching Mars as the United States faces complex challenges in space policy.

The northern plains of Mars, marked by thousands of mounds and hills, hold significant evidence of the planet's watery past.

The area containing the clay-bearing mounds is geologically connected to Oxia Planum, which is where Rosalind Franklin will be headed when it launches in 2028 in search of past life on Mars. It now ...