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

The Hubble Space Telescope has been used to study 25 hot Jupiters. It has helped to answer "questions important to our ...

Cancer the Crab is a dim constellation, yet it contains one of the most beautiful and easy-to-spot star clusters in our sky: ...

Astronomers have used the James Webb Space Telescope to capture the most detailed look yet at the atmosphere of Kepler-51d, a planet so lightweight it has been compared to cotton candy. The new data ...

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

Min Read Another Hubble view of the outskirts of Messier 44 shows a variety of bright stars and many background galaxies ...

A thick layer of haze around the ultra-low-density planet Kepler-51d likely obscures not only the strange planet's ...

Surrey Satellite Technology (SSTL) is joining Lazuli, an initiative of the Eric and Wendy Schmidt Observatory System, which aims to deliver a privately funded telescope into deep space.

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A newly studied exoplanet, Kepler-51d, is wrapped in an unusually dense layer of haze that may be hiding both what it is made of and how it formed ...

Kepler-51d is the coolest and least dense of the planets in this planetary system. “We think the three inner planets orbiting ...

What Looked Like a Planet Was Actually a Massive Space Collision So, imagine astronomers are looking at something, thinking, ‘Wow, cool planet!’ Then, bam! Turns out it wasn’t a planet at all, but a ...