China set off on what it hopes will be its first successful journey to Mars on Thursday, sending the Tianwen-1 mission to the red planet on a voyage that will
You’ll be hearing a lot about Mars in the weeks to come this summer. Three missions are launching toward the red planet, taking advantage of the way Earth and its
This story has been updated to reflect the date of 2020’s aphelion. On Saturday, Earth will swing toward the outermost point in its orbit, known as aphelion. You, me and
