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

NASA ’s James Webb Space Telescope has found the strongest evidence yet that a small, rocky planet outside our solar system ...

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

As the year draws to a close, many people begin to discuss their opinions about the predictions made by famous seers such as ...

Mysterious red lights falling from space, initially thought to be alien signals, have been identified by scientists as red sprites. These rare upper-atmosphere lightning phenomena occur high above ...

In 2025, astronomers sharpened their view of the planetary system around Proxima Centauri — the sun's closest stellar neighbor, which lies just 4.2 light-years away — thanks to a powerful new ...

Scientists using the James Webb telescope observed a distant exoplanet with an atmosphere of soot and diamonds, challenging all explanations.

Data from the James Webb Space Telescope suggests that exoplanet TOI-561 b is surrounded by a thick atmosphere above a global magma ocean.

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

James Webb finds a hot planet that is tidally locked with its parent star, is coated with a thick atmosphere of volatile chemicals.

From "Sinners" and "KPop Demon Hunters" to "One Battle After Another" and "Bugonia," Seattle Times staffers picked their ...