Lawmakers raising national security concerns and seeking to disconnect a major Chinese firm from U.S. pharmaceutical interests have rattled the biotech industry. The firm is deeply involved in development and manufacturing of crucial therapies for cancer, cystic fibrosis, H.I.V. and other illnesses.

The agency’s future moon buggies will reach speeds of 9.3 miles per hour and will be capable of self-driving.

© NASA TV

The bloated cost of the ArriveCAN app and new investigations into possible fraud have highlighted some problems with turning to outside companies.

© Blair Gable/Reuters