Archive for History of Exact Sciences, Vol. 74, No. 1 (January 2020), pp. 1-43 (43 pages) In French mechanical treatises of the nineteenth century, Newton's second law of motion was frequently derived ...

Relativity Space CEO Tim Ellis is hitting back against recent comments from fellow aerospace exec Peter Beck, who called launch contracts for un-flown rockets “basically worthless” earlier this month.

Relativity Space made a flurry of announcements on Wednesday about its past and future. The company is going bigger, and it has already started to do so. In an interview with Ars, the company's chief ...