Oxygen has been the most important gas in our search for life among the cosmos thus far. On Earth, we have it in abundance ...

Andy Weir discusses his science-fueled novel “Project Hail Mary,” which has been adapted into a film that opens in theaters ...

Kepler-51d is a giant, ultra-light “super-puff” planet wrapped in an unusually thick haze that’s blocking scientists from seeing what it’s made of. Observations from JWST revealed that this haze may ...

A newly identified world beyond our solar system is giving scientists a fresh look at how strange planets can be, and it may come with a stench to match. Astronomers have discovered what appears to be ...

NASA’s SPARCS spacecraft has just sent back its first images, marking a major milestone in the mission to study low-mass ...

New SETI research suggests space weather like solar winds could be interfering with alien radio signals, making them harder to detect.

What can a piece of debris from another star tell astronomers about planets they may never see directly? The answer has changed dramatically since the first confirmed object from another star crossed ...

Not even an asteroid blast could kill it.

Astronomers have discovered a bizarre exoplanet slightly larger than Earth, covered by a vast magma ocean and wrapped in a sulfur‑rich atmosphere. Observations from the James Webb Space Telescope ...

A breakdown of the "War Machine" ending, including the final scene, biggest twists, and what it all means.

A thick layer of haze around the ultra-low-density planet Kepler-51d likely obscures not only the strange planet's composition, but also its origin ...

Scientists are scrambling to explain why interstellar visitor 3I/ATLAS is carrying life's chemical building blocks at ...