The recurring climate phenomenon is expected to peak later this year, but it is already causing dry spells and crop failures on three continents.

Mar Carretero-Castrillo, an astrophysicist, returned to her remote village in Spain to be in the path of totality. Hundreds of partygoers came too.

New images from the James Webb telescope show a galaxy with a trio of supermassive black holes. Two of them appear to be locked in a tight tango.

During early calibration tests, the MOTHRA telescope’s array of lenses, which will soon number 1,140, captured stellar debris dissolving into space around the Helix Nebula.

Ahead of Wednesday’s rare cosmic event, thousands of people in London are searching for protective eyewear, as prices surge and stocks sell out.

Check the weather forecast, path and time of the eclipse near you.

The top of the world is warming faster than any other region. For 20 years, the Arctic Report Card chronicled the extraordinary transformation.

With gas prices high, people in developing countries are lining up to buy battery-powered bikes. We took a spin around Lahore, Pakistan, on a small-but-mighty one.