Astronomers using NASA’s Hubble Space Telescope have measured the rotation rate of an extreme exoplanet by observing the varied brightness in its atmosphere. This is the first measurement of the ...

Scientists tracked interstellar comet 3I/ATLAS and found rotating jets in a rare sun-facing tail during its 2025 pass through ...

Hubble images from December 2025 show interstellar object 3I/ATLAS releasing two narrow jets of material as it moves away from the Sun, raising questions about rotation and activity ...

The solar system originated from a collapsing cloud of gas and dust approximately 4.5 billion years ago, with the Sun forming in the central region through nuclear fusion and the planets condensing ...

Ancient Chinese astronomers observed a solar eclipse in 709 BCE with remarkable detail. These old records are now helping scientists understand Earth's rotation changes over thousands of years. They ...