Some astronomers think space object 'Oumuamua could have been an alien spaceship. But new...
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The mysterious interstellar object 'Oumuamua was a chunk of planet from another solar system, a new study says
Aylin Woodward, Business Insider US
Watch: Here's why some scientists think Pluto should still be a planet
Back in the '90s, most people took Pluto for granted. But fast forward to 2005, and then...
Gina Echevarria, Business Insider US
NASA's chief, who has no scientific background, says Pluto is a planet
"I'm sticking by that — it's the way I learned it and I'm committed to it," NASA's Jim...
Tom Porter, Business Insider US