Radio telescopes are instruments that capture faint radio signals from space and convert them into images of celestial bodies ...

More than a decade after being recognized as the Arkansas 2007 teacher of the year, Justin Minkel still found himself flustered when his principal slipped into the back row of class. “When my ...

The Center for Teaching & Learning (CTL) at CU Boulder offers free and confidential classroom observations for educators at all levels. Whether you’re a tenured professor, teaching professor, lecturer ...

Imagine you’re going about your day as a teacher: You’re halfway through your lesson plan, you’re defusing tensions between students, while also trying to focus on kids who need extra help. It might ...

The interstellar object 3I/ATLAS was discovered on July 1, 2025. There is currently no evidence to suggest that it is anything other than a natural astrophysical object. However, given the small ...

Student evaluations of teaching (SET) are a popular measure of teaching effectiveness, which center students’ perspectives. However, research shows that SET scores have limitations, including ...