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It’s a big universe out there—13.8 billion years old, full of hundreds of billions of star-and-planet-packed galaxies and, out past the limits of our sight, perhaps infinite in all directions. But as ...

Interstellar comet 3I/ATLAS and its unusual gas-to-dust chemistry Crewed and robotic lunar missions advancing sustained exploration Asteroid characterization and deflection studies supporting ...

Space exploration and science could take a serious hit as funding is slashed by 24% under Trump's proposed budget.

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Space Forge is on a mission to manufacture semiconductors in space—no humans required. And on Wednesday the U.K.-based aerospace startup announced that it had taken a major step toward that goal by ...