Elon Musk’s SpaceX began its first day as a public company on Wall Street on Friday after the biggest initial public offering in history, with the polarizing entrepreneur promising he will take humanity to Mars.

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SpaceX launched a Falcon 9 rocket loaded with Starlink satellites Friday less than an hour before Elon Musk’s company was set to lift off for what would be the largest IPO in Wall Street history.

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Once charted as a ‘guest star’ in ancient China, dreaded as a harbinger of ill omens in medieval Europe, and preserved in the narratives and artworks of Indigenous cultures, these cosmic spectacles are now known as core-collapse supernovae.

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Elon Musk’s SpaceX was set to begin trading on the Nasdaq exchange Friday, with the biggest initial public offering in history expected to make the polarizing entrepreneur the world’s first trillionaire.

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Astronomers have discovered a huge reservoir of cold molecular gas, the direct fuel for star formation, in REBELS-25, a massive, star-forming galaxy. The team, led from Leiden University, focused on REBELS-25, seen when the universe was only about 700 million years old, around 5% of its current age. The research is published in the journal […]

We may not know what dark matter is, but we keep getting whiffs of it. “We are reaching a point where the observational evidence for dark matter is simply undeniable,” said Mayank Sharma, a Virginia Tech graduate student in physics.

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How supermassive black holes (SMBHs) in the centers of galaxies accrete material, how they feed back into the surrounding region, and how they regulate these processes to influence the evolution of their galaxies are all hot topics in astronomical and astrophysical research. Astronomers are nearly certain that all large galaxies like the Milky Way have […]

Private commercial operators are launching more rockets into space, carrying more people and pursuing more ambitious missions than ever before.

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