The cruel heat is back as southern Europe slips deeper into summer. In homes and offices, air conditioning is sweet relief.

Cruel heat is baking southern Europe as the continent slips deeper into summer.In homes and offices, air conditioning is sweet relief. But under the scorching sun, outdoor labor can be grueling, ...

"We are happy to confirm that we have a parachute design that can work on Mars — an ambitious system with the largest parachute ever to be flown outside Earth" ...

Chile's Vera Rubin observatory is named for the astronomer who changed the way we think about how galaxies move.

"I can't wait to see the science that it produces and the impact that it has. I think it will help people around the world." ...