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 ...
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Why asteroid 2024 YR4 is unlikely to hit Earth in 2032 and how scientists keep track
Scientists say the threat of a newly discovered asteroid has risen slightly in the past few weeks, as the world's telescopes ...
Largest celestial object of its kind discovered in the distant universe
Astronomers have spied a monster radio jet in the distant universe that's twice the width of the Milky Way galaxy. The ancient object formed when the universe was less than 10 percent of its current ...