How to watch NASA's James Webb Space Telescope launch on Christmas Day
CBSN
NASA and its international partners are counting down to a Christmas Day launch of the most expensive science probe ever built, a $10 billion telescope designed to capture starlight from the first galaxies born in the fiery crucible of the Big Bang.
Billions over budget and years behind schedule, the James Webb Space Telescope is targeted for blastoff from the European Space Agency's Kourou, French Guiana, launch site at 7:20 a.m. EST Saturday atop an Ariane 5 rocket, weather permitting.
Equipped with two solid-fuel strap-on boosters, the workhorse rocket will propel Webb away from the northeast coast of South America on an easterly trajectory, releasing the telescope to fly on its own about 27 minutes after liftoff.

Washington — Amid Trump administration demands for Tehran to keep the free flow of commerce in the Strait of Hormuz, U.S. officials have told CBS News that there are at least a dozen underwater mines through the vital passageway, according to current American intelligence assessments. Arden Farhi, Kathryn Watson, Caroline Linton, Aimee Picchi and Layla Ferris contributed to this report.

Washington — President Trump said early Monday that he is postponing airstrikes on Iran's power plants after "very good and productive conversations" over the last two days about reopening the Strait of Hormuz. However, Iran's foreign ministry denied any such talks. Claire Day contributed to this report. In:











