What seemed like new planets around Fomalhaut were actually expanding dust clouds from violent planetary collisions seen by Hubble.

An international team of researchers pointed the largest single-dish radio telescope in the world at 3I/ATLAS.

Their analysis showed that the planet lies about 3,000 parsecs, or just under 10,000 light-years, from Earth. Its mass is ...

As this interstellar object approached its closest point to Earth, a massive radio telescope attempted to sniff out a ...

Rogue planets — worlds that drift through space alone without a star — largely remain a mystery to scientists. Now, ...

From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

In 2025, astronomers sharpened their view of the planetary system around Proxima Centauri — the sun's closest stellar ...

The search for life on Earth is speeding up, not slowing down. Scientists are now identifying more than 16,000 new species ...

The Perseverance rover has been exploring Jezero Crater for years, but it's never found an otherworldly object quite like ...

Pluribus imagines Kepler-22b as an ocean world that sends a gift to humanity through radio waves. In real life, no such ...

Scientists have sought out and detected radio emissions from from interstellar comet 3I/ATLAS, all but confirming that it has natural origins.

3I/ATLAS came within 168 million miles of Earth around midnight CST Friday. While that might seem pretty far away, the ...