BREAKING: Global Affairs Canada tells CBC News that Canada will recognize Juan Guaido as the new president of Venezuela. The opposition leader took an oath in Caracas a short time ago, declaring himself acting president and saying Nicolas Maduro has been deposed.

This is the 1st-ever photograph of a black hole, unveiled by scientists this morning. More :

60% of world's wildlife has been wiped out since 1970.

Air traffic controllers from across Canada send pizzas to counterparts across the border working without pay during the partial U.S. government shutdown:

Astronomers discover most massive structure in the early universe. So-called 'proto-supercluster' could contain thousands of galaxies.

South African athlete Caster Semenya has been cleared to run without testosterone medication after Switzerland’s Federal Court orders the immediate suspension of a new IAAF regulation:

BREAKING: Doomsday Clock signalling how close Earth is to destruction has been set at two minutes to midnight, the most dire reading since 1953. Trump's nuclear bravado and world's inaction on climate change blamed:

Aretha Franklin dead at 76, publicist says. Singer reached acclaim with songs such as 'Respect', '(You Make Me Feel Like) A Natural Woman', 'Spanish Harlem'. Franklin, known as the 'Queen of Soul,' died of pancreatic cancer at her Detroit home. Background:

One person is injured and a man is in custody after a shooting inside a mosque in Norway. The mosque's director says the suspect carried '2 shotgun-like weapons and a pistol' but was overpowered by members of the mosque before police arrived.