A new theory explains how water first arrived on Earth
When Earth first formed, it was too hot to retain ice. This means all the water on our planet must have originated from ...
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New findings could challenge everything we know about asteroid formation
And we’ve done everything we can to learn about the intricacies of our universe, including how asteroids form and what they are made of. But, as missions return new findings, we may need to ...
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Asteroids Can Strike Earth With Such Force They Form A Material Harder Than Diamond
The material withstands 58 percent more stress than diamonds, and could have "remarkable mechanical properties".
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'Just the tip of the iceberg': Why risky asteroids like 2024 YR4 will pester Earth for decades to come
The world is watching as NASA tweaks the odds that asteroid 2024 YR4 will hit Earth. But how threatening is YR4, and how does ...
Interstellar Asteroids Could Originate From Alpha Centauri, Says Paper
New paper points to the Alpha Centauri triple star system as likely potential source of millions of interstellar asteroids and comets.
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How do astronomers track asteroids that could threaten Earth?
Over the next several weeks, astronomers will be looking closely at an asteroid called 2024 YR4 that could be as big as a ...
Neil deGrasse Tyson explains how scientists can deflect ‘city killer’ asteroid as NASA issues critical update
Legendary scientist Neil deGrasse Tyson has explained how NASA and other planetary defense bodies could deflect the potential ...
There's a small chance an asteroid could hit Earth within the next decade, says NASA
A large asteroid could be heading toward Earth within the next decade, and there's a small chance it could strike the planet, according to NASA.
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Potentially hazardous asteroids: How many dangerous space rocks lurk near Earth — and can we stop them?
Potentially hazardous asteroids are NEOs that are larger than 460 feet (140 meters) in diameter and that could come within 4.65 million miles (7.48 million km) of Earth, or roughly 20 times the ...