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Betelgeuse, one of the most familiar stars in the sky, may have a hidden companion star orbiting it -
In scathing letter, NASA workers rebuke ‘rapid and wasteful changes’ at agency -
Astronomers detect most massive black hole collision to date -
World’s biggest Mars rock sells for $5.3 million at auction -
Two meteorites found in the Sahara could be from the solar system’s least studied rocky planet, scientists say -
When to see July’s full buck moon -
Astronomers discover ‘fossil galaxy’ 3 billion light-years away -
Astronomers spot an interstellar object zipping through our solar system -
Long-dead satellite emits strong radio signal, puzzling astronomers -
Four astronauts launch to the space station as NASA grapples with strange twist in leak issue -
First images from the largest camera ever built reveal millions of galaxies -
Strange signals detected from Antarctic ice seem to defy laws of physics. Scientists are searching for an answer -
A massive rocket explosion stirs up talk of setbacks. Are Musk’s Mars ambitions farther than they seem? -
A long-standing puzzle of ‘missing’ ordinary matter in the universe may be solved, astronomers say -
Accidental find in planetarium show could shift scientists’ understanding of our solar system -
Look up to see June’s full strawberry moon, the Milky Way and multiple planets
