Once upon a cosmic time, scientists assumed that stars apply an eternal magnetic brake, causing an endless slowdown of their rotation. With new observations and sophisticated methods, they have now peeked into a star's magnetic ...
Astronomy
Jan 10, 2024
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170
Astronomers using NASA's James Webb Space Telescope have found a brown dwarf (an object more massive than Jupiter but smaller than a star) with infrared emission from methane, likely due to energy in its upper atmosphere. ...
Astronomy
Jan 10, 2024
0
212
When our sun was a young star, 4.56 billion years ago, what is now our solar system was just a disk of rocky dust and gas. Over tens of millions of years, tiny dust pebbles coalesced, like a snowball rolling larger and larger, ...
Astronomy
Jan 9, 2024
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56
Universe Today has examined the potential for sending humans to Jupiter's icy moon, Europa, the planet Venus, and Saturn's largest moon, Titan, all despite their respective harsh environments and vast distances. These conversations ...
Space Exploration
Jan 8, 2024
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98
The origin of Earth and the solar system inspires scientists and the public alike. By studying the present state of our home planet and other objects in the solar system, researchers have developed a detailed picture of the ...
Astronomy
Jan 8, 2024
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2995
A recent study published in the Astrophysical Journal Letters investigates the potential existence of Mars-sized free-floating planets (FFPs)—also known as rogue planets, starless planets, and wandering planets—that could ...
Planetary Sciences
Jan 2, 2024
0
178
NASA's Juno spacecraft will on Saturday, Dec. 30, make the closest flyby of Jupiter's moon Io that any spacecraft has made in over 20 years. Coming within roughly 930 miles (1,500 kilometers) from the surface of the most ...
Astronomy
Dec 29, 2023
3
213
As astronomers have begun to gather data on the atmospheres of planets, we're learning about their compositions and evolution. Thick atmospheres are the easiest to study, but these same thick atmospheres can hide the surface ...
Planetary Sciences
Dec 27, 2023
0
42
Locals watched in awe as a fireball exploded and hundreds of meteorite fragments rained down on the city of Tatahouine, Tunisia, on June 27, 1931. Fittingly, the city later became a major filming location for the Star Wars ...
Astronomy
Dec 27, 2023
0
48
As a major Earth system component, wildfire plays an important role in the Earth's terrestrial ecosystems and climate system, with significant impacts on the atmosphere, radiation effects, vegetation, surface properties, ...
Earth Sciences
Dec 21, 2023
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