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![A green aurora rings part of the globe](https://cdn.mos.cms.futurecdn.net/RWBR96vVqYfp5RGBw7QZxJ-320-80.jpg)
Earth's upper atmosphere could hold a missing piece of the universe, new study hints
By Paul Sutter published
Mysterious dark matter could slosh over our planet like a wave. If it does, it may produce telltale radio waves in Earth's atmosphere, new theoretical research suggests.
![Artist's illustration depicting the terraforming of Mars — turning into a more Earth-like world.](https://cdn.mos.cms.futurecdn.net/7zWzTQ8nWnmTK7d7vHfjV6-320-80.jpg)
We could terraform Mars with desert moss — but does that mean we should?
By Victoria Corless published
A desert-dwelling moss could survive the extremes of a Martian environment and bounce back every time.
![How many people have walked on the moon? Astronaut Buzz Aldrin walking on the moon surrounded by scientific equipment during the Apollo 11 mission](https://cdn.mos.cms.futurecdn.net/6VPFRwwgVp7WWJiTnjMY9J-320-80.jpg)
How many people have walked on the moon?
By Mark Smith last updated
Reference Only a handful of people have ever set foot on the moon. We take a look at this super exclusive club, who they were, and what enabled them to make that incredible journey.
![A decent sized boat floats in ocean water next to the vertical incline of an ice cliff.](https://cdn.mos.cms.futurecdn.net/T5bJiTkvCHHJwmJBMBdx4d-320-80.jpg)
Giant river system that existed 40 million years ago discovered deep below Antarctic ice
By Kristel Tjandra published
"There was this gigantic river system": Researchers find ancient lost world deep beneath Antarctic ice.
![a t-shaped space station passes in front of a fiery sun](https://cdn.mos.cms.futurecdn.net/7BnMaEoxT39mfRobNR6JqW-320-80.jpg)
Astrophotographer captures extraordinary footage of the ISS flying in front of the sun
By Miguel Claro last updated
Astrophotographer Miguel Claro caught the International Space Station as it crossed in front of the sun, making for a truly epic time-lapse photo.
![A roughly sculpted grey lego brick floats in space.](https://cdn.mos.cms.futurecdn.net/8VcJNascyHakkiRnMqmctV-320-80.jpg)
Lego-inspired 'space bricks' could help scientists design moon habitats. Here's how
By Rahul Rao published
How European Space Agency scientists are using Lego-inspired "space bricks" to design lunar habitats.
![A swirling storm of white clouds twists over the ocean toward land.](https://cdn.mos.cms.futurecdn.net/DKTpSsPqyJzdLNEw5rc5va-320-80.gif)
Satellites watch 'extremely dangerous' Hurricane Beryl batter Carriacou island (video)
By Sharmila Kuthunur published
Hurricane Beryl made landfall on Monday (July 1) morning, setting the record of strongest hurricane to happen this early in the year.
![graphic illustration of the SDO on the left and a animation showing different views of the sun on the right.](https://cdn.mos.cms.futurecdn.net/sgW9BujcGQjLcq2TfhTFR4-320-80.gif)
Solar Dynamics Observatory: Discovering the secrets of the sun's magnetic field
By Keith Cooper last updated
Reference Learn how the sun's secrets have been gradually revealed by NASA's Solar Dynamics Observatory.
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