Live coverage: New Horizons flyby target comes into focus

Stormy weather across Florida’s Space Coast forced SpaceX to call off the long-awaited launch of two astronauts aboard the company’s Crew Dragon spacecraft, the first piloted flight to orbit from U.S. soil in nearly nine years.

The White House Office of Science and Technology Policy is spearheading a 10-year plan to improve detection of near-Earth asteroids and comets that could crash into Earth and to expand research into possible countermeasures to deflect an incoming body if detected in time, officials said Wednesday.

Views from an airliner, close-up high-speed launch pad cameras, and photographers around the Guiana Space Center in the jungle of South America show the twilight launch of a European Ariane 5 rocket Saturday with three commercial satellites heading for orbits more than 22,000 miles over the equator.