Q&A with Anton Zeilinger, acclaimed quantum physicist

Sara Seager is an astrophysicist and planetary scientist at MIT, and she serves as deputy science director on NASA’s Transiting Exoplanet Survey Satellite, which aims to find planets around stars relatively close to the sun, searching for worlds that are ideal follow-up targets for missions like the James Webb Space Telescope.

A Chinese-built telecom satellite for Algeria successfully launched Sunday aboard a Long March 3B rocket, heading toward a perch more than 22,000 miles over the equator to provide television broadcasts, broadband Internet, remote education and emergency communications services.

A rover and landing platform developed as a backup for China’s Chang’e 3 moon mission will be repurposed to attempt the first touchdown on the lunar far side by the end of the decade, Chinese officials said.