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![The blue marble of Earth creeps over the lunar horizon during a solar eclipse. The moon's black shadow can be seen over Australia.](https://cdn.mos.cms.futurecdn.net/ePG6JakXoGxFpZmuvgN5wY-320-80.jpg)
'Everything has changed since Apollo': Why landing on the moon is still incredibly difficult in 2024
By Sharmila Kuthunur last updated
More than 50 years after the Apollo era, major governments and well-funded private companies still struggle with lunar landing missions. Why is landing on the moon so hard in 2024?
![A star in the Lizard constellation appears to be dragging a trail of stardust behind it.](https://cdn.mos.cms.futurecdn.net/YoSyESeFasNoYZmWq3VevP-320-80.jpg)
Passing stars may have changed Earth's orbit and climate, study finds
By Abha Jain published
Passing stars may have altered Earth's orbit, and its climate, many times throughout cosmic history. New research digs into what that means when it comes to understanding our planet's past.
![Close-up image of a petri dish containing lab-grown mini brains being held by a scientist wearing blue gloves. The scientist's face can be seen blurred in the background](https://cdn.mos.cms.futurecdn.net/VEW7eVxLMYMDuDPphj4kXK-320-80.jpg)
Could mini space-grown organs be our 'cancer moonshot'?
By Emily Cooke published
Scientists say they're growing "organoids" in space to better understand cancer, neurological diseases and aging, and to hopefully uncover treatments.
![The six planets orbit their central star HD 110067 in a harmonic rhythm with planets aligning every few orbits.](https://cdn.mos.cms.futurecdn.net/fdQkR2SvYLYXGe9D4hPSRH-320-80.jpg)
'Mathematically perfect' star system being investigated for potential alien technology
By Sharmila Kuthunur published
A distant star system housing 6 planets that move in 'mathematically perfect' orbits has ignited a search for possible alien technosignatures.
![The final images of ERS-2 tumbling through the sky. They were captured by the Tracking and Imaging Radar (TIRA) at the Fraunhofer Institute for High Frequency Physics and Radar Techniques FHR in Germany.](https://cdn.mos.cms.futurecdn.net/BQp6cumiNSLxzqsX3kurbM-320-80.gif)
Radar images show Europe's doomed ERS-2 satellite buckle and burn during final orbits of Earth
By Andrew Jones published
New radar images show surprise changes to the doomed ERS-2 spacecraft as it tumbled through Earth's atmosphere on Feb. 21.
![Illustrated in this artist concept are two possible structures for asteroid 2011 MD. NASA Spitzer infrared camera helped reveal that this asteroid consists of about two-thirds empty space.](https://cdn.mos.cms.futurecdn.net/Xa9g7xX9C2vbj4a593NYmi-320-80.jpg)
Earth has extra moons, and they may hold the secrets of our solar system's past
By Kiley Price published
Earth's closest cosmic companions, known as 'minimoons' or 'quasi-moons', could hold the secrets to the history of our early solar system.
![An illustration shows a gravastar stacked like a cosmic matryoshka doll.](https://cdn.mos.cms.futurecdn.net/wuNL9zTZ3R62qcETtqJ2UG-320-80.jpg)
Bizarre 'Russian doll stars' predicted with Einstein's general relativity equations
By Robert Lea published
A new solution to Albert Einstein's theory of general relativity suggests hypothetical gravitational stars that look like black holes could be nested within one another.
![A full moon rises in Chile's Atacama Desert.](https://cdn.mos.cms.futurecdn.net/qNVj6TWFZnBrZvybZTQzTK-320-80.jpg)
February's full 'Snow Moon' rises this weekend. Here's why it's one-of-a-kind.
By Jamie Carter last updated
February's 'Snow Moon', the second full moon of 2024, will be the farthest from Earth this year and will appear the smallest in the sky when it rises on Saturday (Feb. 24).
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