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![bright white tendrils of light explode outwards from a solid black circle on a red background](https://cdn.mos.cms.futurecdn.net/rZHrGSfDnUbkoQr7CedrFT-320-80.jpg)
Sun blasts out most powerful flare of current solar cycle, sends massive coronal mass ejection into space (video)
By Meredith Garofalo published
A solar flare on July 23 was even bigger than a previous one that triggered May's global aurora storm, but this one was facing away from Earth on the far side of the sun.
![An orange sun sets behind a wall of clouds as several american flags wave in the foreground.](https://cdn.mos.cms.futurecdn.net/Ro5AmZo6tVXLBTsNRAHrnD-320-80.jpg)
These 2 US cities are the most vulnerable to solar storms, scientists say
By Stefanie Waldek published
Geomagnetic storm-induced blackouts may be looming.
![A healthy coral reef filled with a range of knobby, table, and branching corals.](https://cdn.mos.cms.futurecdn.net/VkvzqB2gKSvwatkB7zoMdZ-320-80.jpg)
Satellites are game changers for protecting coral reefs in a warming world
By Meredith Garofalo published
Over the years, satellites have played an important role in monitoring oceans and coral reefs all across the globe.
![A large glowing orange sphere with green loops emerging from its poles. It is surrounded by smaller blue, grey and brown spheres](https://cdn.mos.cms.futurecdn.net/kyL4sQGFiw2CnbL8rBq6jb-320-80.png)
How stars' magnetic fields could impact the chance for life on orbiting planets
By Robert Lea published
Habitability depends on more than just a planet's distance from its host star. New research looks at the impact stellar magnetism has on exoplanets.
![A brownish rock close up. There's a strip of lighter material toward the left and darker material toward the right. There are also darker speckles in the reddish brown center material.](https://cdn.mos.cms.futurecdn.net/jrMryRfFw6qBbcs9fAaSA5-320-80.png)
NASA's Perseverance Mars rover finds possible signs of ancient Red Planet life
By Sharmila Kuthunur published
NASA's Perseverance rover stumbled upon a Mars rock. It seems to suggest evidence of ancient life on the Red Planet.
![A high resolution view shows wildfires raging across the Pacific Northwest](https://cdn.mos.cms.futurecdn.net/JvQuAigCEiZFHpjvS9uefS-320-80.gif)
Powerful wildfires devastating Canada captured in satellite imagery
By Meredith Garofalo published
A rapidly spreading wildfire burns through part of the largest national park in the Canadian Rockies as satellites track its growth and movement.
![A picture of the seafloor off the eastern U.S. coast covered in metallic nodules rich in manganese.](https://cdn.mos.cms.futurecdn.net/SsU8K88RbP73FCiZpjXhQd-320-80.jpg)
Discovery of 'dark oxygen' from deep-sea metal lumps could trigger rethink of origins of life
By Sascha Pare published
In a global first, scientists working in the Clarion-Clipperton Zone in the North Pacific Ocean have found that metallic nodules on the seafloor produce their own oxygen, dubbed "dark oxygen."
![Coulntless stars and points of light in black space. In the center, a bright blue light shiens, radiating outward a faint blue hue.](https://cdn.mos.cms.futurecdn.net/u7C7SQApreaoZrDBvBt8FT-320-80.jpg)
X-rays reveal secret gas in huge and distant galaxy cluster
By Keith Cooper published
The Euclid and XMM-Newton missions have combined to show the hidden, hot gas that fills an immense galaxy cluster 2.7 billion light-years away.
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