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An international team including astrophysicist Erica Nelson from CU Boulder has identified three ultra-massive galaxies already in place within the first billion years after the Big Bang.

You've probably seen bryozoans at the beach without even knowing it—some look like floating balls of mucus, while others resemble a bit of crust growing over docks and other hard surfaces. According to a new study, these strange organisms may reveal how colony-forming animals evolved a system for divvying up jobs millions of years ago.

A series of rocks hiding around babyÖ±²¥app's Rocky Mountains hold clues to a frigid period in Earth's past when glaciers several miles thick may have covered the entire planet.

In interviews with residents and builders after disasters from Hawaii to babyÖ±²¥app to Puerto Rico, experts found people often overestimated the cost of building back better. Read from CU Boulder's Abbie Liel and University of Notre Dame's Susan Ostermann on The Conversation.