

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 […]
Martin Luther King Jr. Day.
"Martin Luther King Jr. (January 15, 1929 – April 4, 1968) was an American Baptist minister and activist who became the most visible spokesperson and leader in the civil rights movement from 1955 until his assassination […]
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. […]
Saturn in Conjunction with Sun
Saturn will appear to pass close to the Sun in the sky as the Earth's orbit places the Sun between the Earth and Saturn. Saturn will be unobservable for several […]
International Holocaust Remembrance Day
The United Nations General Assembly designated January 27—the anniversary of the liberation of Auschwitz-Birkenau—as International Holocaust Remembrance Day. On this annual day of commemoration, the UN urges every member state to honor […]
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
Jupiter in Conjunction with Sun
Jupiter will pass close to the Sun in the sky as its orbit carries it around the far side of the solar system from the Earth.
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 […]
Anniversary of the 2013 Chelyabinsk Asteroid Impact Event
On February 15 2013 an asteroid exploded in the sky over the city of Chelyabinsk, in the the southern Ural region of Russia. The shock wave blew out windows all over the city, […]