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 ...

There is interesting new work from Cool Worlds. A quasite is a conceptual space-based satellite system proposed by the Cool Worlds Lab (led by astronomer David Kipping), representing a hybrid or ...

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 ...