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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 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."
![graphic showing four moon phases side by side, the first on the left is the new moon on July 5, then the first quarter moon on July 13, then the full moon July 21 and the third quarter moon on July 27.](https://cdn.mos.cms.futurecdn.net/qHBrHj5VQAqPqciq3ZGvsW-320-80.jpg)
What is the moon phase today? Lunar phases 2024
By Tariq Malik last updated
Reference See what moon phase it is tonight and find out when you can see the rest of the moon phases for 2024.
![closeup of jupiter and its swirling clouds against the blackness of space](https://cdn.mos.cms.futurecdn.net/nNshAX6qJznNz8Nn7GoD4e-320-80.jpg)
Jupiter's surreal clouds swirl in new van Gogh-esque view from NASA's Juno probe (photo)
By Samantha Mathewson published
Vivid clouds swirl across Jupiter's skies like colorful brushstrokes in a new photo from NASA's Juno spacecraft.
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