Björn Benneke

Hubble recently identified water vapor in the atmosphere of a small, hot exoplanet.

The Hubble Space Telescope has spotted water in the atmosphere of a tiny planet with temperatures around that of Venus, meaning it's a hot and steamy world.

A study has identified 11 chemical elements in the atmosphere of the extremely hot exoplanet WASP-76 b. The findings suggest the planet's overall composition reflects that of the protoplanetary disc from which it formed, and its high temperatures cause rock-forming elements to vaporize in the atmosp

An international team led by Stefan Pelletier, a Ph.D. student at Université de Montréal's Trottier Institute for Research on Exoplanets have made a detailed study of the extremely hot giant exoplanet WASP-76 b.

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The boringly named LP 791-18 d is located about 90 light-years from Earth in the Crater constellation..

There are trillions of planets out there. Some almost certainly contain oceans.

Astronomers using the Hubble Space Telescope have observed two exoplanets that may be examples of a long-hypothesized planetary classification: a water world...

They also might have stumbled upon a new exoplanet sitting in the habitable zone of its star.

NASA's Webb Space Telescope has discovered a possible hycean world, with a deep hydrogen atmosphere and a global water ocean. Or is this world too hot? The post Possible hycean world found by Webb telescope first appeared on EarthSky.

Using the Wide Field Camera 3 (WFC3) instrument onboard the NASA/ESA Hubble Space Telescope, astronomers have detected water vapor in the transmission spectrum of the sub-Neptune exoplanet Gliese 9827d.

Using NASA telescopes, they might have found another exoplanet in its star's habitable zone too.

Hubble and Spitzer have identified two planets which seem to be water worlds, with oceans which are 500 times deeper than those on Earth.

Astronomers have found the smallest exoplanet yet with water vapor. GJ 9827 d is a hot steamy world. But is it rocky like Earth or a mini-Neptune? The post Astronomers find smallest exoplanet yet with water vapor first appeared on EarthSky.

The observation programs for Cycle 2 of the James Webb Space Telescope have just been announced, and they are a lovely mix!

A team of astronomers has discovered an Earth-sized exoplanet that may be absolutely covered with volcanoes.

The planet is in the Milky Way, about 86 light-years away from our own solar system.

Imagine an Earth-sized planet that's not at all Earth-like. Half this world is locked in permanent daytime, the other half in permanent night, and it's carpeted with active volcanoes. Astronomers have discovered that planet.

Two far-off planets are likely made of water, according to research conducted using NASA's Hubble and Spitzer telescopes.

The weather for Neptune today is sunny, with a chance of reflective clouds. Learn more about the uniquely blazing atmosphere of this ultra-hot exoplanet.