There are some clocks, mostly in or around international airports, which have multiple faces to show the time at various ...

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 ...

Explore the story of our solar system’s formation, tracing how a vast cloud of gas and dust collapsed under gravity, collisions, and angular momentum to create a thin, spinning protolanetary disc.

A rare event was observed as comet 41P/Tuttle-Giacobini-Kresák dramatically slowed its rotation and then spun in the opposite ...