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Articles on NASA

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Artist’s rendition of NASA’s 2020 Mars rover collecting rocks with its robotic arm. NASA

Meteorites from Mars contain clues about the red planet’s geology

Martian meteorites allow scientists here on Earth to decode that planet's geology, more than a decade before the first missions are scheduled to bring rocks back home from Mars.
A SpaceX Falcon 9 rocket with the company’s Crew Dragon spacecraft onboard is raised into a vertical position on the launch pad at Launch Complex 39A. NASA/Bill Ingalls

SpaceX reaches for milestone in spaceflight – a private company launches astronauts into orbit

SpaceX's launch of astronauts to the International Space Station will make it the first private company to launch humans to space. The effort has ramifications for NASA and spaceflight in general.
Over the last 50 years, a lot has changed in rocketry. The fuel that powers spaceflight might finally be changing too. CSA-Printstock/DIgital Vision Vectors via Getty Images

To safely explore the solar system and beyond, spaceships need to go faster – nuclear-powered rockets may be the answer

An update of 50-year-old regulations has kickstarted research into the next generation of rockets. Powered by nuclear fission, these new systems could be the key to faster, safer exploration of space.
Asteroid Ryugu photographed from a distance of about 12 miles (20 kilometers) looks just gray and bland, but a close-up provides more color. JAXA, University of Tokyo, Kochi University, Rikkyo University, Nagoya University, Chiba Institute of Technology, Meiji University, University of Aizu and AIST

Touching the asteroid Ryugu revealed secrets of its surface and changing orbit

It is a pretty spectacular achievement to not only rendezvous with an asteroid as it is whizzing around the Sun but also collect a sample. Here's what the researchers learned.
Use the slider tool in the images below to see before and after NASA satellite images of Australia’s fire and drought effects. NASA

‘This crisis has been unfolding for years’: 4 photos of Australia from space, before and after the bushfires

We pulled four before-and-after NASA satellite images and asked bushfire researcher Grant Williamson to reflect on the story they tell.

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