Atmospheres of new planets might have unexpected mixtures of hydrogen and water
All planets are made of gas, ice, rock and metal, and models of how planets form usually assume that these materials don't ...
This Newly Found Exoplanet Is So Light, Scientists Don’t Know What It’s Made Of
Astronomers discover a super-Earth and a sub-Neptune 250 light years away from our solar system. These planets offer a ...
Space.com on MSN8d
How the James Webb Space Telescope is helping size up tiny dwarf planets
The relative quantities of volatile gases like methane and ethane can reveal key details about distant Kuiper Belt objects.
Four small planets discovered around one of the closest stars to Earth—an expert explains what we know
Barnard's Star is a small, dim star of the type that astronomers call red dwarfs. Consequently, even though it is one of the ...
Smithsonian Magazine25d
The Six Most Amazing Discoveries We’ve Made by Exploring Uranus
Uranus belongs to the class of planets called ice giants; these worlds have thick, gassy shells and innards that are made up of icy material squeezed beyond recognition. Even among its kind ...
The Burlington Free Press5d
Another planet parade is coming up in April 2025. Here's when you can see the alignment
It will be a smaller planetary alignment than the one in January, which boasted seven planets Another planetary alignment is on the way in August Another planetary alignment is coming up next ...
BBC1mon
Planetary parade 2025: This is what it really means when seven planets line up in the sky
Stargazers will be treated to a rare alignment of seven planets on 28 February when Mercury joins six other planets that are already visible in the night sky. Here's why it matters to scientists.