Kepler-51d is a giant, ultra-light “super-puff” planet wrapped in an unusually thick haze that’s blocking scientists from ...

For decades, astronomers have struggled to differentiate giant planets from brown dwarfs, a class of objects more massive ...

Astronomers have uncovered surprising evidence of a thick atmosphere surrounding TOI-561 b, a scorching, fast-orbiting rocky ...

These three exoplanets are among the least dense ever found, and all attempts to probe their atmospheres have been blocked by ...

A bizarre, ultra-light planet is cloaked in such a thick haze that even JWST can’t reveal its composition. Its unusual size ...

The Hubble Space Telescope celebrates 36 years of incredible discoveries, stunning imagery, and a lasting impact on astronomy.

'As the number of exoplanets we've discovered increases, the question about life existing somewhere other than the Earth ...

In 2024, researchers reported another far-off world that smells like rotten eggs. HD 189733b, some 64 light-years from Earth, ...

Astronomers have observed two planets forming in the disk around a young star named WISPIT 2. Having previously detected one ...

Life on Earth is a precious thing, especially given what astronomers know about the visible universe. Although researchers ...

Catching a comet in the process of falling apart is difficult, but a coincidence let astronomers see one in more detail than ...

In a stroke of luck, astronomers saw the comet C/2025 K1 (ATLAS) break into four or five fragments in November after it ...