The levels of a heavy form of hydrogen in 3I/ATLAS are 30 to 40 times higher than in Earth's oceans, suggesting the comet has ...
Every eleven years, the sun's magnetic field flips. Sunspots—dark, cooler regions on the sun's surface that mark intense magnetic activity and often trigger solar eruptions—appear at mid-latitudes and ...
A full-scale model of Parker Solar Probe, the history-making Johns Hopkins APL-built spacecraft that has flown closer to the ...
New observations are helping scientists peer beneath the Sun’s surface, revealing where its magnetic activity may truly begin ...
The James Webb Space Telescope has captured its first direct images of carbon dioxide in a planet outside the solar system in HR 8799, a multiplanet system 130 light-years away that has long been a ...
A new study suggests the Sun moved outward with many similar stars during a large Milky Way migration event long ago.
NASA astronauts Jessica Meir and Chris Williams prepared the International Space Station for the addition a new solar array during a spacewalk on Wednesday, March 18, 2026.
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