NASA astronaut Scott Kelly is proving quite the gardener in space. Over the weekend, he tweeted out an image of what he described as the first flower grown in space. It may not match the exploits ...

It was not however, the first flower grown in space. Prior to the space station, NASA's space shuttle missions were just too short to grow flowers from seeds, but in the 1990s, cosmonauts grew ...

The International Space Station just got a little bit more colorful. U.S. astronaut Scott Kelly, who is currently completing a full year aboard the orbiting laboratory, gave the first flower ever ...

Astronauts aboard ISS successfully grow zinnia flowers. The 'Veggie' project could provide important information for a Mars mission. In the future, astronauts could eat fresh foods grown in space ...

But that doesn't really matter. These space flowers might not literally be the first, but they do represent NASA's first concentrated effort to grow flowering plants in a controlled space environment.

For long missions into deep space, astronauts will need a "space garden" on board their craft. They've already grown lettuce on the ISS, but now they're making serious progress with flowers ...

NASA astronaut Scott Kelly tweeted an image Saturday of the first flower ever grown in space: an orange zinnia. First ever flower grown in space makes its debut! #SpaceFlower #zinnia #YearInSpace ...

A flower has bloomed in space as recently as three years ago. NASA astronaut Don Pettit grew plants in 2012 as a personal experiment, including a blogging space zucchini and a blossoming sunflower.

But even the space mold held some interest to researchers, so it was collected and frozen so it can be returned to Earth for study. For NASA scientists back on Earth, the flowering experiment ...

When NASA astronaut Scott Kelly announced the first zinnias blooming on the International Space Station, the project joined a long line of successful plants in space. Here, he photographed one of ...

That distant glow in the dark of space is the full flower moon. Earth's water and clouds are below. NASA/Nichole Ayers. The final shot is an ode to distance.