The stunning comet C/2024 G3 lights up the sunset sky over Chile's Very Large Telescope in this spectacular photo.

A comet called ATLAS dazzled the southern skies for the last few weeks. Now it's heading out of view for half a million years ...

G3 (ATLAS), the 'Great Comet of 2025,' lit up the night sky in Chile, offering a rare and breathtaking sight for stargazers, with its bright tails and glowing coma.

A White House science advisor recently war-gamed with space agency heads worldwide to devise a planet-saving defense to an asteroid set to strike Earth - in a simulation.

NASA's Lucy spacecraft, on its way to Jupiter's Trojan asteroids, has its next target in its sights: the main belt asteroid 52246 Donaldjohanson. Currently 45 million miles (70 million kilometers ...

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Space agencies have systems in place to spot, track, and forecast the future orbits of potentially hazardous asteroids.