Human spaceflight
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Just keep swimming! Zebrafish doing fine in zero gravity on China's Tiangong space station (video)
By Samantha Mathewson published
The four zebrafish China sent to its space station are thriving after spending almost a month in orbit.

'It's so complicated:' Boeing Starliner teams diagnosing helium leak ahead of June 1 astronaut launch
By Elizabeth Howell published
NASA and Boeing are still working through "complicated" issues arising from a small Starliner spacecraft helium leak. Launch is June 1, but that's pending a flight readiness review.

Safety comes 1st for Artemis moon missions despite 'space race' with China, NASA chief says
By Elizabeth Howell published
Artemis 2 is so far expected to fly in 2025, with astronaut safety a priority before the schedule.

SpaceX Dragon joins Mercury and Apollo capsules on display in Chicago
By Robert Z. Pearlman published
A twice-flown SpaceX capsule has debuted at the Griffin Museum of Science and Industry in Chicago, next to a Mercury spacecraft and an Apollo command module.

1st astronaut launch of Boeing's Starliner capsule now targeted for June 1
By Mike Wall published
Boeing is now targeting June 1 for the first-ever crewed launch of its Starliner capsule, a test flight that will send two NASA astronauts to the International Space Station.

Boeing Starliner's 1st astronaut launch delayed again, this time with no new flight date
By Elizabeth Howell published
The 1st astronaut mission aboard Boeing's Starliner will not lift off May 25 as planned. NASA has not yet revealed the cause, but a helium leak has been ongoing in the spacecraft.

How can space travel lead to medical breakthroughs? Veteran astronaut explains
By Meredith Garofalo published
Sierra Space Chief Medical Officer Dr. Tom Marshburn shares how medical research in space makes a difference here on Earth.

'This was a life-changing experience:' 1st Black astronaut candidate exults after suborbital launch (video)
By Mike Wall published
Ninety-year-old Ed Dwight got to live out his long-delayed spaceflight dream with a suborbital launch this weekend. Here's what he had to say about it.
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