PROF. BAKHUYZEN is right in regard to the number of days counted in error by Kaiser in comparing Hooke and Huyghens with recent observations. I wrote away from books ...

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

The series interleaves MAVEN images to show about 7 hours of Mars rotation during this period, just over a quarter of Mars' day. The left part of the planet is in morning and the right side is in ...

A new analysis of marsquakes measured by NASA’s InSight lander indicates Mars has a solid inner core – but other researchers say the evidence is thin ...

Boise State physics professor Brian Jackson worked with NASA to get access to Ingenuity flight data. He used it to analyze ...