The Sun turns, but not in the way a solid object would. It has no hard surface, no fixed edge to follow. What scientists describe as solar rotation co.

What a remarkable update to our ancient understanding of our place in the solar system.

On Jan. 31, 1958, Explorer 1 became the first satellite launched by the United States. Its primary science instrument, a ...

The annular or \"Ring of Fire\" solar eclipse will happen today, February 17, 2026. This celestial event will get a lot of attention around the world, b.

A fresh analysis of Comet 41P/Tuttle-Giacobini-Kresák observations suggests it abruptly reversed its spin after its last ...

Learn the lunar cycle and 2026 moon phases, including new moon, full moon, and quarter phases. Discover dates, illumination, and tidal effects from NASA and Space.com.

Explore the solar system from Mercury to Pluto and discover the extraordinary differences in orbital speed, year length, and rotation. Learn how Mercury completes a year in just 88 days, while Neptune ...

41P/Tuttle-Giacobini-Kresak is now known to be in the Jupiter family of comets, going from a little inside Jupiter's orbit to almost as far as Earth on its 5.4-year orbit. It is notable for its large ...

The geoid (the surface of equal gravitational potential of a hypothetical ocean at rest) serves as the classical reference ...

THIS year, Chinese New Year falls on Tuesday 17th February. Start the celebrations by playing Sun Bingo’s horse and fire slot games. Chinese New Year, also known as the Lunar New Year ...

An exotic type of dark matter could explain some of the characteristics of our galaxy’s central supermassive black hole, but ...