New Theory Explains How Ancient Earth Came to Be So Wet
Astrophysicists have been grappling with the question of how water arrived on our young planet for decades. One of the ...
Expert shares key facts about asteroid that could hit Earth in 2032
The head of planetary defense at the European Space Agency discusses 2024 YR4, an asteroid with a small chance of striking ...
Could an asteroid really hit Earth? Odds of asteroid 2024 YR4 reach highest levels ever
The risk that an increasingly ominous asteroid dubbed 2024 YR4 will crash into Earth in seven years now exceeds the the ...