The charred hull of Artemis 2’s Orion | Space photo of the day for May 8, 2026

NASA’s Artemis 2 Orion spacecraft rests after its flight around the moon, charred from the return to Earth.

Spaceflight is hard on the heart, yet artificial ones grow better in space than on Earth

The human heart shrivels away in space, but researchers have found that mini-hearts grown from human stem cells sprout in space significantly faster than in labs on Earth.

Astronauts face grip strength challenge in space and on Earth, scientists find

It turns out that living in space can have a lasting impact on how your brain works, researchers have found.

NASA astronauts joke around with an optical illusion on the ISS | Space photo of the day for April 15, 2026

Two NASA astronauts had some fun during the ISS’ capture of a robotic cargo spacecraft on April 13, pretending to hold onto it from into the station.

Artemis 2 astronaut poses for epic selfie | Space photo of the day for April 9, 2026

Astronaut Christina Koch poses with zero-gravity indicator “Rise” in the viewport of the Artemis 2 Orion spacecraft.

Artemis 2 captures historic ‘Earthset’ photo | Space photo of the day for April 7, 2026

Artemis 2 astronauts saw Earth slip from view during their lunar flyby on Flight Day 6.