Live coverage: Arianespace probing “anomaly” shortly after Vega launch

It will take more than 12 hours from liftoff of the European Space Agency’s ExoMars Trace Gas Orbiter until engineers verify the mission is on track for Mars after a series of critical in-space maneuvers by the Proton rocket’s Breeze M upper stage.

An Indian Polar Satellite Launch Vehicle, crowned with 31 satellites from 15 countries, is counting down to liftoff early Friday from an island spaceport on the country’s east coast.

Watch a 4K video replay of the first Falcon Heavy launch as viewed from the Kennedy Space Center Press Site around 3 miles from pad 39A.