Calendar

New Moon (05:00 MST).

By the modern definition, New Moon occurs when the Moon and Sun are at the same geocentric ecliptic longitude. The part of the Moon facing us is completely in shadow […]

M. Watson Whitney died, 1921 (b. 1847).

Mary Watson Whitney was an American astronomer and for 22 years the head of the Vassar Observatory where 102 scientific papers were published under her guidance. Whitney was born on September 11, 1847, in Waltham, Massachusetts. […]

Full Moon (19:16 MST).

Full Moon. Rises at sunset, high in the sky around midnight. Visible all night. Moon overview on solarsystem.nasa.gov

Presentation of the Lord (Candlemas).

A tapestry from Strasbourg depicting the Purification of the Virgin Mary and the Presentation of Jesus at the Temple. Candlemas (also spelled Candlemass), also known as the Feast of the Presentation of Jesus […]

James Roger Angel, FRS Turns 80

James Roger Angel (born Feb 7, 1941) turns 80 on this day. A Fellow of the Royal Society and the National Academy of Sciences, Roger is an astronomer at the […]

International Day of Women and Girls in Science.

Illustration of Vera Rubin from a series of illustrations for the International Day of Women and Girls in Science. Credit: BEATRIZ ARRIBAS DE FRUTOS. A significant gender gap has persisted […]

Conference on Faith and Science

A virtual gathering of scholars, professors, university students, pastors, and lifelong learners... who are friends of faith, friends of science, and friends of one another, or who seek to begin […]

St Valentine’s Day.

Oil painting of St. Valentine by Leonhard Beck from around 1510. Saint Valentine (Italian: San Valentino, Latin: Valentinus) was a widely recognized 3rd-century Roman saint, commemorated in Christianity on February 14. From the High Middle Ages his Saints' Day […]