Scott Kelly Spent a Year in Space and Now His DNA Is Different From His Identical Twin’s

Several stories this week have proclaimed that the DNA of former NASA astronaut Scott Kelly changed during his year living on the International Space Station. The stories say that 7 percent of his genes did not return back to normal when he came back to Earth. It makes it seem as if the space environment permanently altered his genetic code. The problem? That’s not true. The mistake stems from an inaccurate interpretation of NASA’s ongoing Twins Study. When Scott went to space in 2015, his identical twin Mark — also a former NASA astronaut — stayed on the ground. The idea was that Mark would serve as a control subject — a nearly identical genetic copy that NASA could use to figure out how the space environment changed Scott’s body. The... Continue reading…

Astronaut Scott Kelly and His Twin Brother Are Still Identical, NASA Says

After a stream of erroneous media coverage about how spaceflight affects your genes, NASA issued a rare updated statement yesterday (March 15) about its "twins study" concerning former astronauts ...

Fri 16 Mar 18 from SPACE.com

Astronaut’s Gene Expression May Be Permanently Changed by Year in Space

After a year in space, NASA says Scott Kelly's genes behave differently, and the effect may be permanent. The post Astronaut’s Gene Expression May Be Permanently Changed by Year in Space ...

Fri 16 Mar 18 from Extremetech

We Were Totally Wrong About That Scott Kelly Space Genes Story

We reported that after a year in space, Scott Kelly's genes were altered to the degree that he and his brother were no longer identical twins. Here's what we got wrong.

Fri 16 Mar 18 from Livescience

No, Scott Kelly's Year in Space Didn't Mutate His DNA

Fri 16 Mar 18 from National Geographic

Those Reports That Astronaut Scott Kelly’s DNA Changed — They’re Wrong

After a slew of misleading news reports claiming that an astronaut's DNA changed, NASA clarifies.

Thu 15 Mar 18 from KQED Science

No, space did not permanently alter 7 percent of Scott Kelly’s DNA

Several stories this week have proclaimed that the DNA of former NASA astronaut Scott Kelly changed during his year living on the International Space Station. The stories say that ...

Thu 15 Mar 18 from The Verge

Scott Kelly’s medical monitoring has spawned some horrific press coverage

Analysis: Don't believe the headlines. And in many cases, the articles below them.

Thu 15 Mar 18 from Arstechnica

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