The winter solstice, marking the first day of winter, occurs on Sunday, Dec. 21. Learn how and why it happens.

Far from the Sun, Uranus sits tipped on its side, carrying a magnetic system unlike any other planet’s. Its equator tilts ...

Earth’s inner core shows seismic anisotropy, with waves 3–4% faster along the rotation axis than at the equator, increasing with depth.

Real Vision CEO Raoul Pal says Zcash’s rally supports what he called “the rotation thesis,” though he is unconvinced about ...

But that’s nothing compared with PSR J2322-2650b, an object the mass of Jupiter studied recently by the James Webb Space ...

The magnetic North Pole is used by devices such as smartphones for navigation — and that pole moves around over time.

I/ATLAS’s enigma continues as its closest approach to Earth is nigh ...

Sunday is the shortest day of the year north of the equator, where the solstice marks the start of astronomical winter. It’s ...

In the study, published in Research Notes of the AAS, lead author Thomas Marshall Eubanks of the aerospace firm Space ...

PXG expands its Zero Torque lineup with the Allan ZT Long, an extended-length putter built to promote a stable, repeatable ...

It’s not hard to argue that the Dodgers have the best rotation in the Major Leagues entering 2026. With a rotation of Shohei ...

Harvard astrophysicist Avi Loeb says the odds of interstellar object 3I/ATLAS aligning its rotation axis toward the Sun are ...