Researchers have built an algorithm that can scan old astronomical images for unnoticed space rocks, helping to detect objects that could one day imperil Earth.
Tag: Telescopes and Observatories
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Has the Milky Way’s Black Hole Come to Light?
The Event Horizon Telescope reaches again for a glimpse of the “unseeable.”
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Astronomers Find What Might Be the Most Distant Galaxy Yet
Is the object a galaxy of primordial stars or a black hole knocking on the door of time? The Webb space telescope may help answer that question.
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Imagine Another World. Now Imagine 5,000 More.
NASA recently announced that it had detected more than 5,000 exoplanets, so we asked astronomers, actors and an astronaut to share their favorite worlds orbiting distant stars.
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How a Tiny Asteroid Strike May Save Earthlings From City-Killing Space Rocks
An asteroid hunter detected the small object two hours before it crashed into the sea near Greenland, a sign of the growing sophistication of NASA’s planetary defense system.