Watch a video replay of NASA’s exoplanet announcement

NASA’s InSight lander has placed a protective enclosure over a French-developed seismometer designed to detect tremors on Mars, completing the deployment of the first of two science instruments delivered to the Red Planet in November.

NASA’s Transiting Exoplanet Survey Satellite, fresh off a two-year extension to keep operating through 2022, has turned its cameras to image the northern sky after cataloguing nearly 1,000 candidate planets around other stars in the first year of its mission.

Stormy weather near NASA’s Kennedy Space Center kept SpaceX’s Falcon 9 rocket on the ground Thursday, delaying liftoff of a commercial supply ship with equipment and experiments for the International Space Station until Saturday.