Radiation is a primary concern for long-duration human spaceflight, such as the planned trips to Mars,…
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Large asteroid 2020 XR makes close approach to Earth at 5.7 LD, exactly 4 years after discovery
Asteroid 2020 XR passed by Earth at just under six times the distance from Earth to…
Maybe Venus Was Never Habitable
Although they are very different today, Venus, Earth, and Mars were very similar in their youth.…
Astronauts on Long Missions Will Need Personal AI Assistants
How can artificial intelligence (AI) help astronauts on long-term space missions? This is what a recent…
Could Primordial Black Holes Be Hiding in Plain Sight?
Are Primordial Black Holes real? They could’ve formed in the unusual physics that dominated the Universe…
NASA Wants Students’ Help Designing Missions to Other Moons
One of NASA’s primary missions is to inspire the next generation of scientists and engineers to…
Catch Jupiter at Opposition 2024 This Coming Weekend
Now is the time to catch Jupiter at its best. The King of the Planets rules…
Antarctica Has Gotten 10 Times Greener in 35 Years
Our satellites are dispassionate observers of Earth’s climate change. From their vantage point they watch as…
White Dwarfs Could Have Habitable Planets, Detectable by JWST
In a few billion years, our Sun will die. It will first enter a red giant…
Asteroid COWECP5 to impact Earth over Russia on December 3
A newly-discovered asteroid currently designated COWECP5 is expected to impact Earth’s atmosphere over Siberia, Russia at…