3I/ATLAS has passed its closest point to Earth, meaning we will soon lose sight of it for good. Some scientists want to send a spacecraft to chase down the alien comet — or the next interstellar object.
Everyone's favorite interstellar comet, 3I/ATLAS, flew past Earth overnight, coming within about 168 million miles (270 million kilometers) of our planet.
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AI is making gains in solving pure math problems. Can it crack the hardest problems in mathematics?
More than a dozen mummies of kids with facial tattoos were found at an archaeological site in Christian-era Nubia.
A new high-power laser system will soon be sent to sea for its first tests under maritime conditions.
Your guide to the best sights the night sky has to offer from Dec. 20, 2025, to Jan. 4, 2026 — and the gear you'll need to see them.
