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

Astronomers thought they had seen the "first hints of life on an alien world" this year, but they disappeared under closer ...

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

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

Looking ahead, the comet will pass roughly 33 million miles from Jupiter in March 2026. Loeb noted the scientific value: monitoring 3I/ATLAS with the Juno spacecraft could reveal unusual activity, ...

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

The Kepler-22b reveal flips the storyline of the series. What started as a story about Earth going through a bizarre ...

I/Atlas might have flown by Earth with its closest approach, but it is still doing things that have people totally enamoured. Yes, indeed, 3I/ATLAS has caused chaotic debates online once again, with ...

Scientists watching the nearby Fomalhaut star system have directly seen two protoplanets smash together for the first time. Then, they saw it happen again.