Gas Giants

Instead of Losing its Atmosphere, an Exoplanet Puffed Up and Held Onto it

To date, astronomers have confirmed the existence of 5638 extrasolar planets in 4,199 star systems. In the process, scientists have…

1 week ago

Astronomers Discover the Second-Lightest “Cotton Candy” Exoplanet to Date.

The hunt for extrasolar planets has revealed some truly interesting candidates, not the least of which are planets known as…

4 weeks ago

The Rings of Uranus Shine Bright in Stunning New JWST Image

The James Webb Space Telescope has taken a stunning new image of the ice giant world Uranus. But what stands…

1 year ago

It's Time For Your Annual Weather Update for the Outer Solar System

A couple times a year, the Hubble Space Telescope turns its powerful gaze on the giant planets in the outer…

1 year ago

Astronomers Find a “Marshmallow World”: the Lowest Density Gas Giant Ever Discovered

Exoplanet discovery space hosts all kinds of interesting "super" worlds. There are super-Earths, super-Neptunes, and, of course, Super-Jupiters. Recently, the…

2 years ago

Astronomers Measure the Layers of an Exoplanet's Atmosphere

The number of planets discovered beyond our Solar System has grown exponentially in the past twenty years, with 4,919 confirmed…

2 years ago

An Exoplanet So Hot There Are 7 Different Kinds of Gaseous Metals in its Atmosphere

The search for exoplanets has revealed types of planets that are nothing like the worlds in our own Solar System.…

4 years ago

Hubble Shows Saturn in the Middle of its Summer

If you want an iconic picture of the planet Saturn, it doesn’t get any better than this. The latest picture…

4 years ago

Exoplanet Orbits its Star Every 18 Hours. The Quickest Hot-Jupiter Ever Found

The Next Generation Transit Survey recently discovered a hot-Jupiter with the shortest orbital period observed to date, just 18 hours!

5 years ago

Uranus’ Rings are Surprisingly Bright in Thermal Emissions

New observations by ALMA and the VLT provide the most-detailed look yet at Uranus' system of rings, revealing things about…

5 years ago