House Speaker Kevin McCarthy has been voted out of the job in an extraordinary showdown, a first in U.S. history. The 216-210 vote was forced by a contingent of hard-right conservatives and throws the House and its Republican leadership into chaos.

But the Georgia congresswoman got backup from an unlikely ally: Rep. Lauren Boebert (R-CO).

Quasars are the supermassive black holes at the centres of early galaxies. Scientists have unlocked their secrets to use them as ‘clocks’ to measure time near the beginning of the universe.

Israeli media said the military also conducted airstrikes, reviving a tactic it had largely halted during the past two decades.

For the first time, researchers using a pulsar timing array have found evidence for the long-sought-after gravitational wave background.