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 ...

Webb maps Uranus’s upper atmosphere, revealing cooling temperatures, shifting auroras, and the effects of its tilted magnetic field.

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...

Could a black hole pass through our solar system at high speed? This possibility, once confined to science fiction, is becoming increasingly tangible thanks to recent observations. This theory ...

The workings of our solar system are roughly the same now as they have been for millions of years. Moons circle their planets, the planets circle the sun, the sun’s magnetic fields and sunspots wax ...

The curious minds at What If imagine what a single day would be like on every planet in our solar system, exploring how gravity, rotation, atmosphere, and extreme conditions would shape life and ...

Meet the surprising, oddball worlds moving around our solar system. From meteorites that impact Earth, to a moon that orbits backwards, to an imposter lurking in the asteroid belt, a variety of ...