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NASA astronaut Chris Williams photographed this fireball — likely caused by reentering orbital debris — from the International Space Station on April 27, 2026.

'It was quite a light show!' NASA astronaut spies dramatic fireball from the International Space Station (photos)

By Mike Wall published

NASA astronaut Chris Williams photographed a fireball from above recently, capturing the stunning site from aboard the International Space Station.

International Space Station
an image of an H-shaped space station in orbit above earth, with a superimposed image of four colorful blobs of cells overlaid

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

By Tereza Pultarova published

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.

Human Spaceflight
An image of the Ucayali River taken from space shows the river snaking in a light brown color across dark blue and green land with some small fluffy white clouds overhead.

An Amazon rainforest river from space | Space photo of the day for April 30, 2026

By Chelsea Gohd published

The Ucayali River snakes across the rainforest in this image captured by NASA astronaut Jessica Meir from the International Space Station.

Earth

'The Martian' becomes real life: Meet 'Spudnik,' the space potato

By Chelsea Gohd published

Fuzzy, purple, and edible, Spudnik is a marvel.

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Space Exploration
A Russian Soyuz rocket launches the Progress 95 cargo ship toward the International Space Station on April 25, 2026.

Russia launches 3 tons of cargo to the International Space Station from Kazakhstan (video)

By Mike Wall last updated

Russia launched its latest Progress cargo ship toward the International Space Station from Baikonur Cosmodrome on Saturday (April 25).

Launches & Spacecraft
a streak of light crosses a starry sky above a dark earth below it

Astronauts photograph Lyrid meteor shower from ISS | Space photo of the day for April 21, 2026

By Chelsea Gohd published

NASA's Jessica Meir spotted the Lyrids from aboard the space station.

Human Spaceflight
NASA’s Orion spacecraft captures the Moon and the Earth in one frame during the Artemis II crew’s deep space journey at 6:42 p.m. ET on the sixth day of the mission. The right side of NASA’s Orion spacecraft is seen lit up by the Sun. A waxing crescent Moon is visible behind it. And then, a crescent Earth, tiny compared to the Moon, is about to set below the Moon’s horizon on the right.

Artemis 2 and Tiangong space station astronauts set record for farthest distance between humans

By Julian Dossett published

For a few moments on April 6, the four Artemis 2 moon astronauts and the three crewmates aboard China's Tiangong space station were farther away from each other than any humans had ever been.

Artemis
NASA astronauts Chris Williams holds his hand out, appearing to "hold" the Cygnus capsule from the ISS.

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

By Chelsea Gohd published

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.

Human Spaceflight
inset images of the Artemis 2 crew and ISS crew involved in the long distance phone call. There is a graphic of the moon in lower right corner and earth in upper left corner.

Artemis 2 calling ISS! Watch the farthest-ever astronaut call from the moon to Earth (video)

By Elizabeth Howell published

Astronauts aboard Artemis 2 and the ISS connected across a record-breaking Earth–moon distance in the farthest crew call ever made in space.

Artemis
A large robotic arm reaches and grapples a silver-cylindric spacecraft with round solar arrays outside a space station.

Northrop Grumman Cygnus cargo craft arrives at space station

By Robert Z. Pearlman published

The uncrewed Northrop Grumman Cygnus XL spacecraft, the S.S. Steven R. Nagel, arrived at the International Space Station on Monday (April 13), bringing with it about 11,000 pounds of supplies.

International Space Station
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