Live coverage: Vega rocket launches with LISA Pathfinder

An Indian Polar Satellite Launch Vehicle lifted off at 4:42 a.m. EST (0942 GMT) Saturday with India’s EOS 1 radar imaging satellite and nine rideshare payloads for customers based in the United States, Luxembourg, and Lithuania.

A Delta 2 rocket has lifted off from California’s Central Coast on Saturday with a NASA environmental satellite designed to improve flood and drought forecasts, map moisture in Earth’s soils, and track the planet’s water cycle.

Two astronauts ventured outside the International Space Station Friday for the first of four spacewalks to repair a $2 billion cosmic ray detector, breezing through work to prep the device for invasive surgery to splice in new coolant pumps and extend the instrument’s life probing the composition of the universe.