Physicists found that clocks on Mars will tick 477 microseconds (millionths of a second) faster than on Earth per day, on ...

The APS Department’s General Astronomy track was developed to facilitate student involvement and accreditation in K-12 teaching here in Colorado, so students preparing for K-12 teaching should take ...

Uniquely combining astrophysics and planetary science, the Department of Astrophysical and Planetary Sciences provides students with a unified view of space sciences; the solar system and comparative ...

Nearly 100 years since Albert Einstein developed general relativity, the theory has passed its toughest test yet in explaining the properties of observable universe. The most precise measurements to ...

A strange stellar pair nearly 7,000 light-years from Earth has provided physicists with a unique cosmic laboratory for studying the nature of gravity. The extremely strong gravity of a massive neutron ...

EVERY student of astronomy is familiar with this well-known text-book, and it is not too much to say that it is as well used this side of the Atlantic as it is on the other. Written for a general ...

SINCE the year 1922, when the first edition of the Astronomer Royal's “General Astronomy” was published, the progress of the science has been truly remarkable. Naturally this cannot be said of all ...

Why is Christian Science in our name? Our name is about honesty. The Monitor is owned by The Christian Science Church, and we’ve always been transparent about that. The Church publishes the Monitor ...