Astronomers have employed the Australia Telescope Compact Array (ATCA) to investigate a peculiar pulsar wind nebula known as ...

The NASA DART spacecraft shifted the orbits of two asteroids around the sun after intentionally crashing into one of them.

For 20 years, NASA’s ALaMO Observatory has tracked meteors and lunar impacts, providing continuous data on space hazards and ...

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 ...

From coral reefs and kelp forests to the open ocean and deep-sea zones, nutrients that support phytoplankton growth and ...

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 ...

An international team of astronomers reports the discovery of a new supernova remnant that showcases a remarkable circular symmetry in shape. The detection of the remnant, dubbed "Teleios," is ...

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 ...

Earth observations are essential to understanding Earth systems and addressing global challenges. With associated data, repositories, and products, they drive innovation, support U.S. economic and ...