Frank Hulley-Jones

• Climate

Coral reefs in the Seychelles off Africa may indicate where sea level rise will be felt the hardest as human-caused climate change impacts the world’s oceans.

• Science

The volcanic eruption in Tonga was one of the most powerful ever recorded. Experts say it was a wake-up call.

• Climate

Scientists journeyed to Greenland in an unprecedented experiment to drill for rocks beneath the ice sheet. But a crack in the ice threatened their mission — and their ability to predict the fate of the warming world.

Canada's Crawford Lake may hold evidence that humans have fundamentally changed Earth enough to have started the Anthropocene, a new chapter in geologic time.

• National

With an inside look at the Proud Boys trial, see months of videos and secret chats shown to a D.C. jury that revealed how the Jan. 6 plot unfolded.

How British architecture has made homes vulnerable to extreme heat and cold

• World

See the key moments throughout the queen's 70 years on the throne.

• Retropolis

Juneteenth history explained: The celebration when Texas’s enslaved men, women and children were set free on June 19, 1865.

• Middle East

Listen to the the sounds that could fade away as Cairo expands and more people move out of the center of the city.